New! $1,639 LVGOO 48V LiFePO4 Server Rack Battery

Рет қаралды 93,819

Күн бұрын

You can buy it here (affiliate link): www.lvgoobattery.com/?ref=4ji...
48V batteries I currently recommend: www.mobile-solarpower.com/ser...
0:00 Intro
2:20 Teardown
4:26 Inrush test
5:33 Cold/High Temp Sensor Test
8:20 Conclusion
Does off-grid solar confuse you?
Check out my DIY friendly website for solar system packages and product recommendations, and so much more!
www.mobile-solarpower.com
Join our DIY solar community
#1 largest solar forum on the internet for beginners and professionals alike:
www.diysolarforum.com
Check out my Book
Best-selling and beginner-friendly guide to 12V off-grid solar!
amzn.to/2Aj4dX4
If DIY is not for you, but you love solar and need an offgrid system, check out Tesla Energy! They will price out a system and get your house offgrid: ts.la/william57509
My DIY Solar Equipment Recommendations (Constantly updated! Check here first):
12V/48V Lithium Solar Batteries: www.mobile-solarpower.com/sol...
Complete Solar System Component Directory: www.mobile-solarpower.com/sol...
Complete 48V System Blueprint: www.mobile-solarpower.com/48v...
Plug-N-Play System Recommendations: www.mobile-solarpower.com/ful...
Complete "Add to Cart" 48V System Kits: www.mobile-solarpower.com/com...
DIY Friendly Air Conditioner/ Heat Pumps: www.mobile-solarpower.com/sol...
My Favorite Online Stores for DIY Solar Products:
Signature Solar
Offgrid One-Stop-Shop. Best Value 48V LiFePO4, Victron and Offgrid Specific Heat Pumps:
www.signaturesolar.com/?ref=h...
Current Connected
SOK, Victron, Mr.Cool Heatpumps and High Quality Components. Fantastic customer support:
currentconnected.com/?ref=wp
Litime
My favorite 12V budget battery!:
www.litime.com/?ref=XBIA62RFc...
Epoch Batteries
My favorite high-quality 12V battery:
www.epochbatteries.com/produc...
Renogy
A classic 12V solar store that has been around for ages! DC to DC Chargers and more!
renogy.sjv.io/n1VjXx
Rich Solar
Renogy's biggest competitor! Similar products, but at a better price:
richsolar.com/?ref=h-cvbzfahsek
Battery Hookup
Cheap cell deals
bit.ly/2mIxSqt
5% off code: diysolar
Contact Information:
I am NOT available for personal solar system consult! If you wish to contact me, this is my direct email: williamprowsediysolar@gmail.com
Join the forum at diysolarforum.com/ if you wish to hang out with myself and others and talk about solar
FTC Disclosure Statement and Disclaimers:
Every video includes some form of paid promotion or sponsorship. Some links on this youtube channel may be affiliate links. We may get paid if you buy something or take an action after clicking one of these. My videos are for educational purposes only. Information is subject to change/update at any time. Electricity is DANGEROUS and can kill. Be smart and use common sense :)
DIY Solar Power with Will Prowse is a participant in the Amazon Services LLC Associates Program,
An affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com

Пікірлер: 274

@WillProwse Жыл бұрын

You can buy it here (affiliate link): www.lvgoobattery.com/?ref=4jiejc6g 48V batteries I currently recommend: www.mobile-solarpower.com/server-rack-lifepo4.html 0:00 Intro 2:20 Teardown 4:26 Inrush test 5:33 Cold/High Temp Sensor Test 8:20 Conclusion

@freshtouchgaming8155 Жыл бұрын

good afternoon can i ask for your help with something ?

@EricStott Жыл бұрын

@@freshtouchgaming8155 I would recommend you go to his forums and ask there. I have asked a question in the forum and there are plenty of experts in all walks of battery, solar, off-grid, on-grid situations.

@bill8336 Жыл бұрын

We sent the battery to Will and we are the manufacturer of it. The original Charge/Discharge UT(Under Temperature) settings of Lvgoo LV48V100D Server Rack Battery BMS are a little bit different from other batteries but Adjustable by cable connection and communication on PC with BMS software installed and a code, they are: CHG UT Alarm(℃): 0.0 CHG UT Protect(℃): -5.0 CHG UT Protect Release(℃): 0.0 DSG UT Alarm(℃): -15.0 DSG UT Protect(℃): -20.0 DSG UT Protect Release(℃): -15.0 It should trigger the CHG UT Protect at the -5.0℃. 😅But Will was spilling the compressed gas duster drip by drip fast on the sensor to make the sensor's temperature drop fast so during the trigger action duration of CHG UT Protect, Will's temperature detector found the temperatures under -5.0℃ and finally captured the lowest -10.0℃ when the CHG UT Protect was triggered sucessfully. The battery has High Performance True A+ EVE LF100L(A) (3.2V 100Ah) Cell*16 Fastening Connected in series. EVE is the leading LiFePO4 Cell manufaturer. Actually in the official Product Specification of EVE LF100L(A) Cell, Its charging tempetature is 0~60℃ and its discharging temperature is -30~60℃ and its recommended use temperature is 10~45℃. The original Charge UT(Under Temperature) settings of Lvgoo LV48V100D as above is reasonable(not perfect) because: 1. If the battery charging temperature is in the range of -5.0~0.0℃, it is still in the minimum safe temperatures, it would not cause irreversible and permanent damage to the cell. 2. Usually the battery charging at the temperature range of -5.0~0.0℃ would not last long time because the charging creates heating of the cells and the cell temperature would be over 0.0℃ soon so with this comdition, charging temperature in the range of -5.0~0.0℃ would not cause irreversible and permanent damage to the cell. 3. It is common that the temperatare(the sensor gets) of the cell box is lower than the temperature inside the cell since the charging heat comes from the inside of the cell. This is our orignal battery pack settings of UT Alarm and Protect which are different from the official Product Specification document of EVE LF100L(A) Cell. We set up these according to the official Product Specification document of EVE LF100L(A) Cell, the layout of our temperature sensors, the working mechanism of the battery pack and BMS, the practical working conditions and the balance between the full protection&longest lifespan of the battery and the use convenience. These setting are not perfect but reasonable and adjustable and discussible.

@WillProwse Жыл бұрын

@@bill8336 take any competitors battery and test it. It triggers in seconds with 0 degrees Celsius. Just set it to that. Multiple studies showing why.

@bill8336 Жыл бұрын

@@WillProwse OK. We will change the Charge Under Temperature Protect and its duration time from the certain temp. detection to the protect trigger in our BMS to be the same at 0.0℃ as most competitors batteries to test it according to the way in ice salt water in your video to verify if our BMS and the Temperature Sensors are as sensitive as competitors' and I will record these and let you know the result.

@donniedotzler7387 Жыл бұрын

I searched your historical videos but did not see where you have addressed my idea. I have a large piece of property in NC. My idea is to set up a complete system on a small trailer, enclosing it to protect from rain etc but allow air flow. My idea is to have power stations on various locations that will, essentially, be just power storage for use at that station. If this works, I would periodically pull my power system trailer to any power station in need of charging. When not charging at a power station, I would park it and connect to the main cabin. Please share your ideas, maybe do this build in a video or direct me to your video if you have done this already. I'm thinking like 6-8 power stations where I would not need to buy solar panels and the other gear for every power station. Thank you. Love your videos.

@imuayachtcharter7940 Жыл бұрын

I never get tired of watching Will's amazing presentations

@enigma9789 Жыл бұрын

Need new videos! Ive been binge watching all of them while I setup my small shed system

@SteveNoel Жыл бұрын

Thanks Will, love your videos! Would love to see a safety video on whats ok to touch and not to touch (terminals, fuses, bus bars, etc...), maybe safety precautions or dos/don'ts.

@changingmatrix8687 Жыл бұрын

That's EXACTLY what I wish he would so a long dedicated video on.

@BelusTraveller Жыл бұрын

Always enjoy learning from your channel, Thank You, Belus

@Jasonoid Жыл бұрын

Excellent testing Will! Glad you found they had the low temp programmed wrong!

@bill8336 Жыл бұрын

The original Charge/Discharge UT(Under Temperature) settings of Lvgoo LV48V100D Server Rack Battery BMS are: CHG UT Alarm(℃): 0.0 CHG UT Protect(℃): -5.0 CHG UT Protect Release(℃): 0.0 DSG UT Alarm(℃): -15.0 DSG UT Protect(℃): -20.0 DSG UT Protect Release(℃): -15.0 It should trigger the CHG UT Protect at the -5.0℃. But Will was spilling the compressed gas duster drip by drip fast on the sensor to make the sensor's temperature drop fast so during the trigger action duration of CHG UT Protect, Will's temperature detector found the temperatures under -5.0℃ and finally captured the lowest -10.0℃ when the CHG UT Protect was triggered sucessfully.😀

@jazzman5598 Жыл бұрын

Thanks Will. You rock!

@victorfebo2968 Жыл бұрын

Bro! Thank you for all these informative videos! I wish you the best!

@tonysmith9061 Жыл бұрын

Love these teardowns!

@user-ly5db7mz5g Жыл бұрын

As an entrepreneur in China, your video has deeply attracted me

@larrybell4599 Жыл бұрын

Thank you for pointing out the differences like aluminum buss bar and low temperature sensor threshold.

@TundeEszlari Жыл бұрын

Impressive video, keep it up, you are a very good KZfaqr.🤗❤

@frankmurphy5 Жыл бұрын

How does the fire arrestor work? I know I could just google it, but I like hearing you explain things 😁

@bill8336 Жыл бұрын

Aerosol Fire Extinguishing Device QRR0.016GW/S: QRR0.016GW/S is an effective hot aerosol fire extinguishing device. It is rapid, safe, non-toxic, harmless, and suitable for relatively closed spaces like battery compartments and boxes. 1. Working Mechanism When a fire occurs or temperature over 170°C is detected by the thermal line from the device, the thermal line will be ignited to start up the device. The aerosol generating agent inside would be to activated to decomposes the chemical coolant through the heat released by the redox reaction, to realize the joint participation of the aerosol generating agent and the coolant to extinguish the fire. 1) Gas-phase chemical inhibition(Main Effect); 2) Solid-phase chemical inhibition(Main Effect); 3) Cooling and extinguishing effect of endothermic decomposition(Auxiliary Effect)

@glennlockey1012 Жыл бұрын

Great video, with the unit opened up, I'd be tempted to take those handles off and cover them in a nice thick shrink wrap and then refit.......

@josephcormier5974 Жыл бұрын

Thank you I never new that there was so many different batteries or components available six stars

@DanKuches Жыл бұрын

NICE UNIT! I'm impressed, not fond of the aluminum umbrella bulbs, but it is impressive at a good pricepoint.

@jashast3248 Жыл бұрын

You could also test the seplos mason batterys

@browntigerus Жыл бұрын

Personally I like that it is serviceable. Build quality is not bad. You are right the handle bars too close to terminals. Not bad, not bad at all.

@bill8336 Жыл бұрын

Thank you for your admisson. As the manufactuer of Lvgoo LV48V100D, We will replace the stainless steel handles which are quite closed to the nearby battery terminals by the rubber coated handles which are 100% firmly coated and 100% insulation.

@Engineerizo Жыл бұрын

Thank you Will Prowse

@billsterzenbach1328 Жыл бұрын

Will, thank you for your great content! You have mentioned in the past that you do not like BMS communications between the inverter and the batteries. Could you do a video explaining your thoughts on this? I have bought same-brand batteries in the past because of BMS communications compatibility, and it would open my options if I disregarded this requirement.

@timf6916 Жыл бұрын

Good job

@robertlopez6109 Жыл бұрын

From making skim boards in the carport, to this? I knew you’d do something amazing with your life!

@WillProwse Жыл бұрын

Man that was a long time ago!!! 😂😂

@gwashburn39 Жыл бұрын

Suggestion - a review of the power queen server rack battery would be good ;)

@MIKE-il6mu 11 ай бұрын

Hi Will thanks for all the videos over the years. Please post the model and link of the charger used in this video. Thanks

@microcolonel Жыл бұрын

I really like how the double terminals are top and bottom, no more clumsily routing the conductors away from the screen by crossing them over... ..just really gotta wonder about why they're so close to the handles.

@bill8336 Жыл бұрын

The BMS inside the LV48V100D is different from the ones in EG4 or SOK batteries.

@MrArcticPOWER Жыл бұрын

Charging Lifepo4 batteries under 0°C is fine if it's at a low C rate. Most BMS cuts out completely but it would be nice if they had a way to reduce the charging according to the temperature instead, just like EVs do. As a Canadian, I actually love the fact that this battery lets you charge it in cold temps. I installed an small off grid system in my parent's cabin with a JBD BMS and it came with a -10°C discharge cut off and a 0°C charging cut off. Thank god I was able to change it because it would be unusable all winter. It never gets over 0.3C discharge and 0.05C charging rate anyway.

@bill8336 Жыл бұрын

Yes, You are right. In the detailed specifications of the LiFePO4 battery cells, there are detailed, ideal and accurate charge and discharge regulations at different temperature ranges. It is impossible for the packs to be used strictly according to the cells' detailed, ideal and accurate charge and discharge regulations at different temperature ranges. Keeping the battery packs work on the condition of battery safety is the most important thing. Wear and Tear of the battery pack more or less is the second thing to consider.

@clarencewiles963 Жыл бұрын

Thumbs up 👍 serviceable? This a clean build!😊 you need to get some plastic tools or something to keep your self safe. I would keep my self informed about the temperature issue. I’m glad you did this battery 🔋 😊

@bill8336 Жыл бұрын

😃It has the Highest serviceability, Detachable & Replaceable Design for all parts including Cover, BMS, Cells and Cells Holders, User Serviceable. Thank you for you advice.❣ The original Charge/Discharge UT(Under Temperature) settings of Lvgoo LV48V100D Server Rack Battery BMS are a little bit different from other batteries but Adjustable by cable connection and communication on PC with BMS software installed, they are: CHG UT Alarm(℃): 0.0 CHG UT Protect(℃): -5.0 CHG UT Protect Release(℃): 0.0 DSG UT Alarm(℃): -15.0 DSG UT Protect(℃): -20.0 DSG UT Protect Release(℃): -15.0 It should trigger the CHG UT Protect at the -5.0℃. 😅But Will was spilling the compressed gas duster drip by drip fast on the sensor to make the sensor's temperature drop fast so during the trigger action duration of CHG UT Protect, Will's temperature detector found the temperatures under -5.0℃ and finally captured the lowest -10.0℃ when the CHG UT Protect was triggered sucessfully. The BMS of Lvgoo LV48V100D Server Rack Battery is high quality and long, so with 2 terminals on each side of the BMS inside the battery case, the spaces for the 2 solid Handles are narrow and have to be quite closed to the terminal nearby. The Insulated materials like Heatshrink and Rubber Sheath are good improvement considerable. We will find the good solution and solve the problem soon.

@bill8336 Жыл бұрын

As the manufactuer of Lvgoo LV48V100D battery, we will replace the stainless steel handles which are quite closed to the nearby battery terminals by rubber coated(about 0.8mm thickness) handles which are 100% firmly coated and 100% insulation.😀 In addtion, we designed and did the test to confirm the the sensitiveness of Temp. Sensors and and the effectiveness of the UT(Under Temperature) Protect Mechanism. The test report was sent to Will and if you need it, I can email it to you. The Value Settings of BMS CHG(Charging) UT(Under Temperatures) are changeable and effective. We decide to be consistent with the Charge UT/UTP settings as Will suggested and other competitors' batteries settings like SOK and EG4 to keep the cells in state of charging 100% away from 0.00℃.

@ufosaboveus Жыл бұрын

I would love to see you do a video budget cells for DIY projects. I am looking for a high discharge 48v pack for golf cart just used on 2 acre property so no need to run several hours. All I need is an hour run time at 60continuous and 125max discharge. I was thinking about the headway cells but wondered what you thought would be a good cheap option for a DIY pack.

@adamgilmore1479 Жыл бұрын

Thanks Will. Will you be reviewing the new Jackery Explorer 3000 Pro in the near future? I would be interested to hear your thougts prior to contemplating a purchase.

@Bob.W. Жыл бұрын

Thanks.

@JeffSkymaster Жыл бұрын

You just have to wonder what they were thinking when they designed those handles so close to the connections?

@patrickkenny2077 Жыл бұрын

Likely for the conductors to go under the handle. Still sloppy, but you can end up with a reasonably protected connection and a good way for a "strain relief" zip tie to be attached.

@ChatGPT1111 Жыл бұрын

@@patrickkenny2077 I think he was referring to the path of electricity going from one hand via your torso to the other hand as you lift the battery.

@DEADB33F Жыл бұрын

@@ChatGPT1111 48VDC won't get through your skin so unlikely to be a shock risk.

@patrickkenny2077 Жыл бұрын

@@ChatGPT1111 You eliminate that risk by switching off the breaker while handling the unit.

@edhingeley6933 Жыл бұрын

@@DEADB33F do some reading

@DaveGme Жыл бұрын

Looks like something used on the Manhattan Project.

@robertmeyer4744 Жыл бұрын

That looks pretty good.I only see 2 changes to make that great. 1 update firmware to 0C shut down charge. discharge is ok the way it set. it's charging in cold that hurt the cells. 2nd make them handels with a hinge so after installed in a rack you can fold away giving more room to terminals. 📶

@bill8336 Жыл бұрын

Thank you for your addmission, Robert, We decide to be consistent with the Charge UT/UTP settings as Will suggested and other competitors' batteries settings like SOK and EG4 to keep the cells in state of charging 100% away from 0.00℃. And We will replace the stainless steel handles which are quite closed to the nearby battery terminals by the rubber coated handles which are 100% firmly coated and 100% insulation.

@bill8336 Жыл бұрын

We will use the PVC coated(about 0.8mm thickness) handles which are 100% fully coated and 100% insulation from the battery termials in the next batch. We put the original handles into liquid PVC and get them out to cool them so the PVC would attach on the handles firmly.

@dylan-nguyen Жыл бұрын

I just realized.. his table says UltraHD 😂😂😂

@_peaboy Жыл бұрын

I think you should add more BMS depth, specifically CAN bus evaluation to your reviews. Many of these batteries don't output proper messages to work safely in alternator based charging solutions. Rather than spending _hours_ checking discharge, get a CAN bus logger and test the over and under current messages for example.

@DigitalYojimbo Жыл бұрын

Can't wait for sodium ion and aluminum ion batteries.

@lameaxe Жыл бұрын

Thanks so much for this video. Am wondering what types of battery’s can we add more of over time without penalty, if you know what I mean. Also, which voltage system ultimately uses smallest wire, pound for pound.

@zhenhongzhang9263 Жыл бұрын

very good, we know more about the battery

@theMekanik Жыл бұрын

Chins makes a Portable Solar Power Station with 3KW Inverter......... Will you please review it. Thnx 👍🏻

@jasonhill9088 Жыл бұрын

Any chance you could design and test a budget solar battery charging system for a hybrid car (not a full electric, but for a Prius)?

@alwaysbadideas Жыл бұрын

can you do a video on the safety of different battery chemistries?

@Jerry-ko9pi Жыл бұрын

I'd take off the handles and slip some heat shrink or rubber tubing on them to prevent shorts. Maybe even plastic dip them.

@john0270 Жыл бұрын

I wouldn't think that the case would be connected to anything?? Should be able to short either terminals to the handles no issues.

@bill8336 Жыл бұрын

Hello Jerry, we will use the PVC coated(about 0.8mm thickness) handles which are 100% fully coated and 100% insulation from the battery termials in the next batch. We put the original handles into liquid PVC and get them out to cool them so the PVC would attach on the handles firmly.

@daviddarnell8898 Жыл бұрын

"Server racks" otherwise known as electrical or electronic equipment racks are available in every city. They've been around for decades, used for radio, TV and computer equipment including commercial servers. Just look for an electric/electronic equipment store. Btw IBM used these for mainframes, mini computers, switch racks, etc., so when designing their PC they started with a rack tray. If you took the cover off the screw holes line up with server rack slide rails and the holes in the back and front plates match the hole placement in server rack posts. Racks have feet that you can get so they can be bolted to the floor and ceiling. Racks server UPS's are usually mounted on the bottom of the rack and can provide backup power for several servers. No solar inputs, but battery charger, battery and inverter.

@nunyabidness517 Жыл бұрын

Can you do a follow up on your cigs panel? Delamination issues are common.

@TheKallipugos Жыл бұрын

Hey Will, What’s the model of your clamp meter?

@Zirrad1 Жыл бұрын

Did you figure out the brand of BMS? Thank you!

@bill8336 Жыл бұрын

Here is the complete and accurate words description of the re-setting and test: In the factory, we changed the settings of the BMS CHG(Charging) UT(Under Temperatures) Alarm/Protect/Protect Realease(℃) From 0.0/ -5.0/ 0.0 TO 5.0/ -0.5/3.0(Because the practical and accurate temperature of Ice Water is almost a little bit higher than 0.00℃ like 0.05℃ ) and I have to mention that the duration time in the BMS from the reaching of the temperature settings to practical alarm/action(protect and protect/alarm releasing) happen is 2 seconds. 1. We put the 4 Temp. Sensors of LV48V100D battery into the Ice Water, the BMS shows T1/2/3/4 data drops from 23.1/24.8/24.8/24.9℃ to 4.3/6.8/5.5/7.3℃ in about 5 seconds to reach the CHG UT Alarm setting 5℃, then in 2s to trigger the CHG UT Alarm, then drops to 0.5/ 0.7/ 0.7/ 0.7℃ to reach the 0.5℃ CHG UTP Protect, then in 2s to trigger CHG UTP(UT Protect) and the charge stops. 2. Then we get the 4 Temp. Sensors out of the Ice Water, they start to be back to the Air Temp. to be 5.2/ 4.7/ 4.0/ 3.4℃ to reach the CHG UT Protect Realease setting 3.0℃(for all sensors≥3.0℃) then in 2s to trigger CHG UTP Release then the charge re-starts. then the sensors continue to be back to be 7.2/ 7.0/ 6.3/ 5.0℃ to reach the UT Alarm release setting 5.0℃(for all sensors≥5.0℃) then in 2s to trigger UT Alarm Release. I think this test proves that there are no problems with the battery hardware especially the BMS and the Temp. Sensors. The Temp. Issue in the video was caused by the differances between the original Charge UT/UTP settings of the Lvgoo LV48V100D Server Rack Battery in this video and the common Temp. settings of other competitors' batteries. We decide to be consistent with the Charge UT/UTP settings as Will suggested and other competitors' batteries settings like SOK and EG4 to keep the cells in state of charging 100% away from 0.00℃. Thank you Will!!! and we will email you the videos and report of this test and we want to hear your comment. Bill😀

@jimegan7077 Жыл бұрын

Are you saying that Will didn't wait long enough for the sensor and the BMS to react to freezing cold salt water?

@bill8336 Жыл бұрын

@@jimegan7077 I do not think you read carefully what I posted here and you probably did not realized there are 2 different tests: Test A: done by Will in this video on the settings of CHG(Charging) UT(Under Temperatures) Protect/Protect Realease(℃) : -5.0/ 0.0 Test B: done by us in this description here on the re-settings of CHG(Charging) UT(Under Temperatures) Protect/Protect Realease(℃) : -0.5/ 3.0 I have to mention that the duration time in the BMS from the reaching of the temperature settings to practical alarm/action(protect and protect/alarm releasing) happen is 2 seconds. In Test A, the sensor temp. went down so fast to be -10℃ captured in the 2s duration time. I did not ask Will to find out the accurate -0.5℃ CHG UTP since it is difficult. I just explained that in Test A why the temp. detector captured the -10℃ on the temp. sensor out of the original CHG UTP setting -5.0℃ as well as the BMS is valid and works.

@wblynch Жыл бұрын

I like the grey. It looks 1940s industrial

@bill8336 Жыл бұрын

Thanks Bill.😀 It seems that the person with the same name like the same color.

@robbie31580 Жыл бұрын

Will can you do a review on the Coremax cmx24200A server rack battery? I saw it's dramatically cheaper than other batteries but definitely a good bit larger. It seems like they produce good products.

@EatingWild 3 ай бұрын

Try out the vatrer server rack. I think you'd be surprised!

@davidsimon6011 Жыл бұрын

I get a kick out of it when you say that's Unfortunate 😂

@bill8336 Жыл бұрын

Hello David, Will did not deny our battery 100%. He mentioned: deserve attention and not bad and he thinks there are space for the battery to improve to be better. Here we are going to do for the server rack batteries: 1.We will change the temp. setings of the CHG UT Alarm/Protect/Protect Release as Will pointed to keep the battery 100% away from the freezing 0.00℃. 2. We will use the copper bus bars as Will suggested with 2.0mm thickness/25mm width specifications inside the batteries to replace the aluminium bus bars to make the 2 connecting terminals more capable for large current. 3. We will have fully PVC(0.7mm thickness) coated handles for the next batch of server rack batteries. 4. For racks or cabinet where the server rack batteries connecting to each other in parallel, We have 2 different solutions(modular assemble racks and assemble battery cabinet) and they are going to be in our USA warehouse soon. Bill

@FKYT Жыл бұрын

Could plasti dip the metal handles? Or would it just be a wast of time? I agree that they should move the handles away from the terminals but I used to plasti dip the handles of the tools I used around electrical components when I was a diesel technician. Thanks for the video.

@bill8336 Жыл бұрын

Thanks. We will have fully PVC(0.7mm thickness) coated handles for the next batch of server rack batteries. It is exactly the PVC dip processing. Bill

@grindychum 8 ай бұрын

Do you plan on doing the review on the 12v you spoke of in the video. I see they have a 12V 130AH In a metal case w/low temp protection.

@donnanorth7324 Жыл бұрын

With the welded battery terminals in mind, I am curious what the rack mounted batteries designers are doing to overcome long term expansion of the cells, with the welded terminals at the top, and no equivalent restriction at the bottom of the cells? They have probably designed for this, but what is it they are doing to allow welded battery cell bus-bars some room for expansion between adjacent cells? Do you have rack mounted batteries that you have used for more than a year which could be checked for expansion issues that would only show up over time?

@cdonuts7335 Жыл бұрын

My wife loves the influence Will has had on me! When I'm in my workshop and something isn't going well she now hears " ohh no! It's not working! Gosh darn it! " Instead of For F#*@ks sake! You piece of Sh*#!!! 😂😂

@WillProwse Жыл бұрын

😂😂😂

@Mr1Spring Жыл бұрын

Can you review the Pylontech US5000 next? Its being sold here in Europe quite a bit!

@McCuneWindandSolar Жыл бұрын

as for the handles take them off and wrap in heat shrink, and it would help. I have been watching these videos because I like to get some new batteries for my solar system. so I can get it back up and going again. I like to get a 1000 AH battery or at least a 50KW system Just wish the prices would go down.

@bill8336 Жыл бұрын

Hello, thank you for your advices. We offer discount for muiltiple batteries purchase. We are confident with our product quality. The battery has High Performance Brand New True A+ EVE LF100L(A) (3.2V 100Ah) Cell*16 Fastening Connected in series. EVE is the leading LiFePO4 Cell manufaturer. As the Manufacturer of this battery pack, I can tell you that there are Terminal Pipe Caps in the package of the battery. The Terminal Pipe Caps are suitable size and tight for the cable lugs and battery terminals and very helpful for the Insulation including the Insulation between Handle and the battery terminal. The good connection operations are as below: For example, When Connect the 2 Main Cables to the terminals of the Top/Bottom LV48V100D in parallel string. 1)Insert the Red Labeled Positive Main Cable(RLPMC) into 2 Red Terminal Pipe Caps; Insert the Black Labeled Negative Main Cable(BLNMC) into 2 Black Terminal Pipe Caps. 2)Connect the the RLPMC to Upper Red Positive (+) Terminal of the Top layer LV48V100D and Connect the the BLNMC to Lower Black Negative(-) Terminal of the Bottom layer LV48V100D. or Connect the the RLPMC to Lower Red Positive (+) Terminal of the Bottom layer LV48V100D and Connect the the BLNMC to Upper Black Negative(-) Terminal of the TOP layer LV48V100D.(Connection steps: removing the Terminal Bolt, inserting it through the eyelet of the Main Cable Lug then reseating the Bolts into the Terminal Block). 3)Fasten the nuts by wrench to the correct torque(100~130 in-lbs/12~15 N-m)Cover the connection of Terminal Block, Main Cable Lug, Washer and Bolt with Terminal Pipe Cap.

@bill8336 Жыл бұрын

@deankoch7305 Жыл бұрын

Nice. Thanks.

@Nerd3927 Жыл бұрын

The temp sensor probably has a filter for an incorect sensor, as a drop that fast can not happen. The goal is not to have warranty claim. Not for a faulty sensor or for a negative charge.

@1over137 Жыл бұрын

Surely as the current surge is the inverters input caps charging, that would be "out rush" current and the resistor should be on connection to the inverter? How has it got anything to do with hardwired cells? There aren't any capacitors on the output of the battery. I'm lost.

@Mywhtjp Жыл бұрын

I have a 12v trailer.. four 100Ah BB lithiums, four 400w panels, Victron 150\100 controller, cerbo and bmv 712.. I recently bought a 48v Multiplus. I have 30a shore power as well.. just getting the RV ready for offgrid living. Is this a good combination..?

@TomBryan Жыл бұрын

If you don't need it anymore, I'd love to put it in my skoolie project.

@WillProwse Жыл бұрын

I do giveaways for my forum members. Join the forum and start contributing and you may get this one in the future!

@CurlyScott89 Жыл бұрын

If it is a modified chemistry the anodes might be the reason the battery can withstand the colder rated charge temperatures

@shanesworldtomalla8788 Жыл бұрын

G'day mate I love your blog are you up for questions I'm having trouble with my system can you help

@shawnbowden3463 Жыл бұрын

Really like it alot but the temp disconnect would have to be fixed

@theMekanik Жыл бұрын

Haven't done a Big Battery 🔋 Review in awhile.

@derwood1944 Жыл бұрын

You have mentioned that in cold climate areas that LifePO4 batteries can still be used. I want to build an off grid system for a camp where the inverter and batteries will be in an insulated shed. Typical night temps in January 5F with a day temperature of 30F although several days below zero can happen. A few winter days with highs in the +40s can also occur. Camp would not be in use during those really cold spells. Could you make a video with a cold weather system? Perhaps the battery cabinet can have removable panels for the winter season. Note that the "top 12" states in USA have this problem. Thanks!

@bill8336 Жыл бұрын

Hello Darryl, We are the manufacturer of the server rack battery LV48V100D. I think It is better for you to have the insulation materials around to protect the batteries from the freezing and even lower temp. in winter. We have the assembly battery cabinets to work with max 6 units of our server rack batteries connecting with each other in the cabinet. The Front/Back Door are removable, there is one removable panel on each side of the cabinet. I think this cabinet is good for the added insulation materials since you can add and move the insulation materials easily by the 4 sides removable design. The heating pads probably are not practical since the batteries are big. That is what I thought.

@williegilligan2661 Жыл бұрын

Is the bus bar silver plated? Bare aluminium does not meet AT&T standards which many companies universally adopt.

@dennisdyse9836 Жыл бұрын

Can you review the MAMMOTH PRO LIFEPO4 Batteries Please and Thank you

@manyinewenergy Ай бұрын

Different brands batteries can be parallel connection or not?

@senogamoses5319 Жыл бұрын

Link to the protective glasses ?

@kapilprajapati6525 Жыл бұрын

Please review delongtop stackable batteries 48v 200ah from Alibaba.

@Zirrad1 Жыл бұрын

If this is similar to my solarPowerStore rack battery (the display looks the same), it may have a pre-charge sequence built in to the BMS, using these steps. 1. Turn off the BMS power switch and circuit breaker 2. Connect the inverter and turn it off. 3. Turn on the battery breaker 4. Hit the BMS power switch If I try to connect turn on the breaker with the BMS on, mine throws a over-current fault.

@WillProwse Жыл бұрын

Yes that's what I did in video

@bill8336 Жыл бұрын

We have a complete and well written User Manual in the package box of the LV48V100D Server Rack Batteries. There are complete info about the batteries and their applications including the pre-charge.

@goldcountryruss7035 Жыл бұрын

Waiting for an update on the EG4 inverter! I talked to Sales @ Signature Solar yesterday about this inverter, he didn't know about your YT video. They say it is has been approved for Florida & California grid-tie applications but I cannot find it on the California approved list.

@bill8336 Жыл бұрын

The 8K Megarevo Inverter was sent by us to Will and it shows in Will's video with EG4 inverter. We have full documents for legal grid-tie for the 8K Megarevo Inverter. That means the 8K Megarevo Inverters we sell are qualified to be grid-tie in the USA because all related documents and certificates are applied and approved in name of Megarevo. I am not sure if the 8K EG4 Inverter are qualified to be grid-tie in the USA.

@goldcountryruss7035 Жыл бұрын

@@bill8336 I cannot find the Megarevo on the California approved list. If either version were approved, I would probably buy at least one immediately. I assume you are part of Signature Solar, so if I call & asked for Bill would I get you?

@bill8336 Жыл бұрын

@@goldcountryruss7035 hello we are not part of signature solar. We are the competitor. I will find out if the Megarevo 8K inverter R8KLNA is approved to be grid tie legally in CALIFORNIA and let you know. How can I send you the certificates and documents of the approval? Email?

@goldcountryruss7035 Жыл бұрын

@@bill8336 What company do I call you at? I checked again this evening & Megarevo is not included on the California approved list. Maybe it is in progress? I have the 400W bifacial panels so far for two ground mount systems. My 32 panel system will be 50% fixed & 50% one axis tracking and use a 48V lead/acid forklift (2,600lb) battery. The other 28 panel system will be fixed ground mount & use a moderate size lithium battery.

@bill8336 Жыл бұрын

@@goldcountryruss7035 the CEC list of Megarevo Inverters in 5K~10K has been sent to approve and that result would probably come at the end of this month.

@trevornelmes9331 Жыл бұрын

Another great video Will. @2:33 I can see the Fire Arrestor. Clearly made in PRC. The black side label says 'This product has passed inspection. Certificate of Conformity Inspector: 01', but I can't read the big white label, other than it is all in Chinese. I guess it is too much to ask to get a front on shot of that, so the owner (a lovely lady who gives us freebies every time we go in) of my local Chinese restaurant (the Golden Dragon) can translate it for me (my daughter teaches her kids)?

@deang5622 Жыл бұрын

Translated it says "This is a fake certificate of conformity".

@trevornelmes9331 Жыл бұрын

@@deang5622 Droll.

@deang5622 Жыл бұрын

@@trevornelmes9331 Given how much Chinese stuff is fake, it may as well say that!

@trevornelmes9331 Жыл бұрын

I found that fire arrestor. Made by HUBEI JIANDUN FIRE TECHNOLOGY CO., LTD. it is the QRR0.016GW/S condensed aerosol fire extinguisher. You will find links and images on Google to confirm.

@aarondoty4192 Жыл бұрын

Off topic: What is the brand of shirt you are wearing?

@PavelCharmont-ik7ro Жыл бұрын

Hello how do you get a 48v powerwall battery with bms to charge or recognize by the inverter if it has 0% charge thank you.

@EricStott Жыл бұрын

Is there a way to remove the handles, so you can put a rubber sheath over it and bolt them back to the battery case?

@DEADB33F Жыл бұрын

Clear heatshrink would work and look neat.

@bill8336 Жыл бұрын

As the manufacturer, we will consider your advice to make our batteries better and safer. Thanks!

@bill8336 Жыл бұрын

@@DEADB33F As the manufacturer, we will consider your advice to make our batteries better and safer. Thanks!

@bill8336 Жыл бұрын

Hello Eric, As the manufactuer of Lvgoo LV48V100D battery, we will replace the stainless steel handles which are quite closed to the nearby battery terminals by rubber coated(about 0.8mm thickness) handles which are 100% firmly coated and 100% insulation.😀

@DEADB33F Жыл бұрын

@@bill8336 Hey Bill. Good to see a manufacturer listening to feedback. It's always a good sign. Do you have any UK distributors you could point me toward?

@markreed9853 Жыл бұрын

Freezers in UK are set to -18 c

@Sol7Studios Жыл бұрын

Review of Bluetti EP900?

@TheJensss Жыл бұрын

Another great review Will! Possible to do some reviews on bare Lifepo4 cells again? Seems like the prices has changed a bit the last year, so it could be a lot to save building a diy battery.

@Zorlig Жыл бұрын

Very few buying those anymore apparently. I will for my next system though

@TheJensss Жыл бұрын

@@Zorlig I guess people are lazy or does not have time for diy projects, and others cant use diy batteries do to strict regulations... Just to illustrate how much you can save going with a diy battery. I can buy high quality 280ah cells from a trusted seller here in Europe and they cost about 130 USD pr cell, and possibly less when buying more. A 16s 48v bank with 13.4kWh of capacity would then cost about 2300USD. While a regular 5kWh battery costs almost 1500USD. So a DIY battery with parts bought locally in Europe are half the price, and possibly even cheaper. If you can get the same cells from China, the DIY price can be as much as 75% cheaper.

@Zorlig Жыл бұрын

@@TheJensss yup, when I got my 48 280ah cells I had the full battery setup working for less than $5k.

@plasmaman9592 Жыл бұрын

I am also wondering if the inverter/ chargers will use the solar directly or if they only output from battery. The reason I'm wondering is if I can have a smaller battery bank that can't power my 85a plasma cutter and 15a air compressor but still be able to use them is I have enough solar input and enough inverter/ chargers say 4 or 6 EG4 or possibly a different brand. My shop only has a steady load of 800w of led lights and a pc most of the time and when I plasma cut its like 20min-1hr. I want to move to a property that is miles from ppl and unfortunately no power

@jimegan7077 Жыл бұрын

A solar charge controller probably isn't going to react to the surge from those tools fast enough, which means that the battery has to handle it.

@LiveInOC 7 ай бұрын

They sell freeze spray for testing circuits

@BillTauskela Жыл бұрын

-20? seems like a good battery for Canadian off grid

@hutchie9615 11 ай бұрын

Good morning please can you get one sungoldpower 48v 100ah Test it on your platform thank you have a great day.

@pteepan2708 Жыл бұрын

Thanks for the video, good test. It is good to call out the cold temp issue. When doing these can you compare to your current favorite. example if this Battery isn't at least 20% cheaper(to the door) than the EG4 ..... why buy them? To me the point of competition is the young guns start off cheaper to get an audience. should be cheaper, better warranty and better customer service. Example SOK did that.

@bill8336 Жыл бұрын

Hello Ptee, this battery is USD1639 free shipping to the door of the American customers. What are the things that make EG4 battery should be 20% price higher the this Lvgoo battery or make Lvgoo battery should be 20% price lower then EG4 battery?

@pteepan2708 Жыл бұрын

@Bill competition, Lvgoo has to prove itself Part of that is starting at a lower price to get our attention, If they want to be in the game a long time running 6mo to a year at a lower price(less profit) if the people love them they get Loyalty and word of mouth referrals. What Will has done for many companies is cheap-ish marketing.

@bill8336 Жыл бұрын

@@pteepan2708 hello Ptee, thank you for your advice. The current price of Lvgoo Server Rack battery LV48V100D is $1639 including tax and free shipping. It is competitive with EG4 and SOK at the same product level. You can check that. Of course I know EG4 has cheaper sever rack batteries without display screen and fire arrester but the this is not the same level of LV48V100D. In addition, for the cells in LV48V100D, they are the top lifepo4 leading manufacturer EVE and the EVE cells are the most expensive ones in the market and their quality is highly and commonly admitted and recommended in the lifepo4 cell market. This point was not pointed out in the video and Will thinks the cells and BMS in the server rack batteries are almost the same if they are brand new. But Actually they are different and in the long term use of the battery pack for decades, it would show up. The battery serviceability is the case.

@matthewjason5330 11 ай бұрын

I’m confused with the bms. So a 50 amp bms only allows 50 amp so if I have 3000 watt inverter it needs 300 amps to fully function. So i need 6 battery racks?

@igorkvachun3572 11 ай бұрын

Yes akb LiFePO 4.👍⚡🔌🔋💡

@CharlieRasch Жыл бұрын

Is the BMS parameters user changeable or is it hard coded?

@bill8336 Жыл бұрын

The BMS parameters of LV48V100D Server Rack Battery are changeable by a code to enter the BMS software on PC which communication cable is connected to the battery comm. port.

@dwightsmith5174 Жыл бұрын

Grey - depressing, I agree! Grey here grey there, no wonder everyone is depressed! 😵‍💫

@nyakifo Жыл бұрын

What do you do with items you review and done with it.

@WillProwse Жыл бұрын

Give them away to forum members. Be sure to join the forum and post today

@FesIRL Жыл бұрын

not perfect but it would be a good battery for emergency or power lost and I only need to run a refrigerator and some lights.

@EricStott Жыл бұрын

Is there a way that you can re-program the software to trigger the low temp cut-off at the actual right temperature? Since they sent it to you, do you have a contact there that you can communicate back with them about the software issue? Seems strange, I am no LiPo battery expert, but even I know about the fallout of charging below 0° C, 32° F. Why would they not test that piece of the software before sending it out?

@ThomasWood3DPrinting Жыл бұрын

You could potentially add a resistor in series or parallel (depending on the original sensor) to offset the temp.

@EricStott Жыл бұрын

@@ThomasWood3DPrinting So: you have to crack open the server rack battery, add a (potentially) bunch of additional hardware to protect your own equipment from getting ruined in cold temperature situations? Seems shady...

@ThomasWood3DPrinting Жыл бұрын

Yes, it would be a hardware fix on a software problem. Though, once the values are known and where to solder, you could aftermarket mod them for $1 in resistors and 30-60 min of your time in disassembly, soldering/crimping, and reassembly. If the cheaper battery is that coveted. Though, I would advise against this if soldering or liPo are unfamiliar to someone.

@EricStott Жыл бұрын

@@ThomasWood3DPrinting Though I have never bought a battery like this, wouldn't this void any warrantee you might get by altering the hardware?

@ThomasWood3DPrinting Жыл бұрын

@@EricStott potentially yes, though the burden of proof that adjusting the low temp cut off sensor caused a failure elsewhere is legally on them. If there is a situation where these batteries might get that could, I think charge controllers can also cut power at certain temps, or just use a heat pad. If I installed these, I really hope my house won't get that cold, or something else has gone really wrong. So low temp cut off wouldn't affect my use case and if I bought them, I probably not even mod them.

@ChinaChuck Жыл бұрын

I lived in China for a decade. Lvgoo may very likely be a combination of " Louis Vuitton" and the word Go, but of course Chinglish slipped in and Go received an extra "o". 😂

@mgkleym Жыл бұрын

My first thought was low voltage go.

@andrewt9204 Жыл бұрын

It's now "love goo" 😂

@bill8336 Жыл бұрын

Sorry for the confusing Lvgoo word. Actually the company name is Green Valley in English meaning, we translate thie company name to Lvgoo{Li:gu} for similar pronunciation in English. 😂

@cameronchapman540 Жыл бұрын

I am pretty sure this meter only supports AC inrush might need to confirm this.

@anthonyking4512 Жыл бұрын

So...how can 48v be divided up for everyday use? Since most everything operates off of 12v.

@deang5622 Жыл бұрын

Look up "potential divider". That's a simple way to do it, using a couple of resistors. You will probably need power resistors and protect it with a fuse. But make sure you understand the equations and can design it properly so you don't get too much voltage drop when a load current is drawn. And carefully consider what quiescent current you want down through the resistors when no load current is being drawn, as that is wasted power. And ensure you calculate the power dissipation in the resistors so you can select the power rating of resistor appropriately. Or you can go down the route of a voltage regulator circuit.

@schunkelndedschunke6914 Жыл бұрын

Maybe you will got a Gobel Power 14kWh Battery in your hands.

@zeothorn 6 ай бұрын

With all the protections you have even from big brands,why do they make all the connections on the front ?Leave the front for display and switches get the battery connections in the back. Why is so hard to assimilate that in design?

@cmquinn2000 Жыл бұрын

Doesn't anyone test for functionality anymore? A safety/warranty item like temp sensors should be tested.

@bill8336 Жыл бұрын

The Temp Sensors of this battery are functional. The original Charge/Discharge UT(Under Temperature) settings of Lvgoo LV48V100D Server Rack Battery BMS are: CHG UT Alarm(℃): 0.0 CHG UT Protect(℃): -5.0 CHG UT Protect Release(℃): 0.0 The duration time in the BMS from the reaching of the temperature settings to practical alarm/action(protect and protect/alarm releasing) happen is 2 seconds. It should trigger the CHG UT Protect at the -5.0℃. But Will was spilling the compressed gas duster drip by drip fast on the sensor to make the sensor's temperature drop fast so during the trigger action duration of CHG UT Alarm/Protect, Will's temperature detector found the temperatures under -5.0℃ and finally captured the lowest -10.0℃ when the CHG UT Protect was triggered sucessfully.😀 According to our quanlity system, a series of processing and tests are done after production and before puting them in the package box and the test results will show on a including: Appearance: No scratch,rust or stain on outside surface: Printing and Nameplate is clear,Warning and Tips are complete and readable. Dimensions: Consistent with Product Nominal Sizes:L*W*H: 450*442*177mm The Display Screen is intact, and the contents in Screen are clear. BMS Buttons works, BMS is able to be activated and deactivated. Power ON/OFF: The pack is able to be powered On/Off by POWER Button. Circuit Breaker is able to be switched On/Off manually and triggered by certain conditions. Pack Basic parameters in Display Screen are in normal ranges. Pack Basic Functions like Discharge and Charge work. Communications: RJ45 Ports are intact and RS485&CAN Communications work. Capacity: ≥100Ah(@25°C, 0.25C Charge, 0.5C Discharge). Internal Resistance(IR): Qualified IR: 0~80mΩ. Open Circuit Voltage(OCV): Qualified OCV: 52.0V~53.5V Items in Box: Battery Pack LV48V100D*1, Mounting Ear*2, Pack Communication Cable*1, Terminal Cap*4, User Manual*1, Inspection & Testing Report*1. Report Conclusion, Signatures of the QC Inspector/Checker and the issue date of this report.