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How do you know if a battery is good quality?

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EbikeSchool.com

EbikeSchool.com

Күн бұрын

Find this battery on Amazon at: amzn.to/2Xcgvja
Learn how to make your own battery with my book DIY Lithium Batteries: amzn.to/2jbxvzS or check out my second book - The Ultimate DIY Ebike Guide: amzn.to/2BGx4Fn
The gear I use for my videos:
Camera - Nikon D5300: amzn.to/2DcuVlM
Lens - Tamron 18mm - 270mm: amzn.to/2qLZlsG
Thermal camera for iPhone/Android: amzn.to/2FikWvW
Drone for "follow me" filming: amzn.to/2UFOds5
Camera for invisible selfie stick shots: amzn.to/2Vb9D0r
Here are some of the products I use:
Bafang BBS01 kit: goo.gl/VxhTHu
Bafang BBS02 kit: goo.gl/9cfWfk
Bafang BBSHD kit: goo.gl/dWX2pm
250W complete e-bike kit: goo.gl/7HSQye
500W complete e-bike kit: goo.gl/xWPgtj
1,000W complete e-bike kit: goo.gl/UdUWK9
36V 13Ah Hailong (shark) battery: goo.gl/K9PsuC
48V 15 Ah triangle battery: goo.gl/6zjneY
52V 17.5 Ah triangle battery: goo.gl/e1E8ug
All ebike batteries: goo.gl/7pAi9Z
All 18650 cells: goo.gl/hYWnwU
Xiaomi QiCycle: goo.gl/Ys6JTZ
500 Wh folding e-bike: goo.gl/UWgoJU
Weird suspension folding e-bike: goo.gl/T9xBqN
Segway ES2 scooter (AliExpress): goo.gl/32szNF
Segway ES2 scooter (Gearbest): goo.gl/25URD9
Xiaomi M365 scooter: goo.gl/iEQWJw
100W Flexible solar panel: goo.gl/jK1CSB
100W Folding solar panel: goo.gl/WnHmgY
Cycle Analyst: goo.gl/RsmE3N
The parts that I use for building batteries:
18650 cells: goo.gl/aEabAQ
18650 positive insulating washer: goo.gl/HBVOuc
Nickel strip: goo.gl/VIrNQq
Spot welder: goo.gl/KN3Uaw
BMSs: goo.gl/S6gSQx
Silicone wire: goo.gl/xmpbKD
Black 18650 cell spacers: goo.gl/hQxWF6
Vruzend cell spacers: goo.gl/5ReLqA
Large heat shrink tubing: goo.gl/6v1ow9
Small heat shrink tubing: goo.gl/OU3Z6u
Foam sheet for protecting battery: goo.gl/5e71tE
Kapton tape: goo.gl/D6BT57
Chargers: goo.gl/js0T0V
**Question response book giveaway rules**
When you guys asks questions in the comments of my videos, I'll try to answer them. If there are questions that I think would make a good video response, I'll choose them to do a longer segment. If I choose your question for a video response, you'll win a copy of my book The Ultimate DIY Ebike Guide (the paperback or the ebook), or my book DIY Lithium Batteries.
Here are some things that KZfaq makes me say: This contest is not sponsored by KZfaq and KZfaq isn't affiliated with it. I'm supposed to provide a link to the community guidelines for KZfaq (www.youtube.com.... KZfaq is not a sponsor of this "contest" and by participating, you are releasing KZfaq from any potential liability, whatever that might be. Privacy notice: I won't steal your info. If you do win, you can choose to send me your address so I can mail you a paperback copy of the book (or some other prize if that changes) or you can send me an email address and I'll send you a copy of the ebook. I will do everything in my power to immediately forget your personal information afterwards.
Outro Music: BenSounds

Пікірлер: 679
@EbikeSchool
@EbikeSchool 5 жыл бұрын
Man, this video was well over 25 minutes in the first cut. Even after hacking it down it's still a beast. I hope you guys don't mind the long ones!
@unchained20000000
@unchained20000000 5 жыл бұрын
What is the highest watt motor and battery that I can buy and still be a moped in Pennsylvania.
@rrrimve
@rrrimve 5 жыл бұрын
There's some good videos over an hour and no worries at all. It takes time to explain everything shortly. 👍
@cal82252
@cal82252 5 жыл бұрын
It's OK by me! sometimes I watch them twice and take notes. Great info!
@LChow-xq3xm
@LChow-xq3xm 5 жыл бұрын
Not at all... great video!!! Thanks
@Lea-ww9hf
@Lea-ww9hf 5 жыл бұрын
It has the necessary time to know how to inspect a battery! Can you show us the other methods to know if the nickel strip have steel?
@graycatgrayhat3404
@graycatgrayhat3404 5 жыл бұрын
Knowing that all the content on this channel is top notch and honest is what we like. I think several people would be willing to support the channel with donations as you provide great info to the ebike community.
@stephannilsson7809
@stephannilsson7809 5 жыл бұрын
I have no problems with longer movies when they are well made, as this one is. Well done Micah
@davidfastje8469
@davidfastje8469 5 жыл бұрын
As someone who just built an ebike, I really appreciate good unbias reviews like this! Also, I strongly support having well-made ads in youtube videos! The only reason that people generally hate ads is that they are frequently done poorly (just keep each ad original and there is no issue ... meaning please don't just re-use them)
@VCITCloudDesktop
@VCITCloudDesktop 5 жыл бұрын
You're absolutely right with your initial comments, it's great content like this that's building you trust and a loyal following. FWIW, I recently purchased a Vruzend kit and a bunch of other items from your online store because of your contribution to the ebike community and your dedication to quality content. My first ebike build went very smoothly, thanks to all the info I learned from your videos and your book. Thanks!
@michaelarnold3105
@michaelarnold3105 5 жыл бұрын
I would have taken the weight of the cell into account if I found that they used nickle coated Steele. 18650 should be 18 mm x65 mm and have a weight of between 41 and 45 grams obviously the heavier the cell the more the capacity. also if you had pealed a cell cap you could have checked for a protection circuit and venting in the top of the battery. This is another strong indicator as to the quality of the battery and lastly hook the battery up and check its discharge rate. Thank you so much for all your hard work. I have learned so much by watching your videos. You have brought so much useful information and done so much for us guys that hack around at home. Have a great day and please keep making lots of videos. As far as the length of the video goes the longer the more information.
@Zebrajellyfishphoto
@Zebrajellyfishphoto 4 жыл бұрын
I make up the story you have no problem being factual rather than coerced. It's easy to fall victim to a false sense of self (ego) but I bet you would do a fantastic job reviewing the various products and bikes offered you. You also carry a sense of kindness and that would benefit viewers seeking reliable and solid products. Thank you.
@thecam0073
@thecam0073 4 жыл бұрын
You're correct. I come here for great technical knowledge just like you provided in this video. The nickel test, the explanation of the terminal thickness on the power wires... I will use that for sure. Micah is my only ebike subscription on youtube (i'm a 2wd m365 builder)
@sansagii
@sansagii 5 жыл бұрын
Awesome . you showed us the simple ways of checking the battery quality check . thanks for this video.
@JariJuslin
@JariJuslin Жыл бұрын
Thanks! As someone intending to build a custom battery housing (and then have someone better informed solder and wrap the cells) this was very useful. One note: you say the cells are going to get really hot when discharging at the highest rate. However, the 2C reading is rated for -20C...0C. If we're like -10C, overheating is not going to be the first and foremost problem unless you really somehow manage to keep the max load on on continuous basis. On subzero temps it's usually different things than overheating that dominate the risks.
@mitchellbarnow1709
@mitchellbarnow1709 4 жыл бұрын
This video was definitely not too long, because there was a lot of information to learn. Thank you so much, Micah
@tomcull5053
@tomcull5053 7 ай бұрын
Great video. I’m a NZ physics teacher and am happy to share your video because it is accurate, paced well and with great visual reference. Top marks, and many thanks, nga mihi nui!
@reframeyourbody
@reframeyourbody 5 жыл бұрын
Amazing video! Great to see you reviewing this with great care and honesty... Would love to see a little experiment if you fancy that: what happens with your thermal camera when you pull 30 amps from this battery; how much better does it get if you replace the discharge bits of nickel plated steel with pure nickel...
@daniele_go
@daniele_go 5 жыл бұрын
Hi Micah, as usual excellent and very informative video, thanks! The only thing I miss is that the cells are SUPPOSED to be 2500mAh from the technical sheet but this should be checked to really know if this is a good quality battery. It would have been nice if you had been able to charge/discharge 1 cell and see if we are close to theoretical specs (or not...)
@LexYeen
@LexYeen 5 жыл бұрын
Content like this is why I subbed ages ago, and why I bought your books on battery building and ebikes. Practical information delivered in a concise, easy-to-digest format.
@fanom1
@fanom1 2 жыл бұрын
Very interesting. I have a Bosch mid drive system...I bought it in 2014 in Europe....I still run the original battery...I remember reading about a fire in NY city where a person was charging multiple batteries and they caught fire....I have a simple rule of thumb....I never leave my battery charging when I am not present....
@keithstewart7514
@keithstewart7514 Жыл бұрын
I'm a Bosch mid drive rider. Got a new battery and love it 6000 miles riden
@KevinWileyK
@KevinWileyK 5 жыл бұрын
A longer video is still good, if it's all actual content. Good work. You're creating a channel with quality information that I think I'll be able to trust.
@catalyst2o
@catalyst2o 3 жыл бұрын
I really appreciate your honest and comprehensive reviews, not like some others who only look at the most obvious your nickel test , awesome and simple.
@RPRosen-ki2fk
@RPRosen-ki2fk 5 жыл бұрын
Good job explaining without talking over my head. I'm still gonna need to rewatch parts though.
@kurtismckemmie4850
@kurtismckemmie4850 Жыл бұрын
I'm so glad I'm watching this video again. I have a couple cells that are not fully charging. When I took the battery out of the sleeve (I have a ancheer step through, no longer available on Amazon ☹️) they hot glued the wires and hot glued it to stay in the sleeve. It was a fight getting it out! I removed it very carefully without pinching any wires. Just waiting for my money to come in so I can order a couple parts. Spot welder and heat shrink wrap that you recommend in one of your videos.
@ChrisHirner
@ChrisHirner 4 ай бұрын
Im thrilled to see that they have some balance leads in there. Being an RC car guy just getting into big scooters i was unsure if the manufactures would cheap and and just do a fast charge everytime with no balance leads.
@ericb.4358
@ericb.4358 10 ай бұрын
Thank you for this VERY enlightening examination of a bike battery. My E-CELLS Super MonarchCrown 2 wheel drive E-MTB has two SAMSUNG batteries, 17Ah front and 14.5 Ah rear (under the rear rack) Dave Cleveland, the designer/owner of E-CELLS did a very good job of sourcing high quality parts for a great price ($5,100.) Chinese motors, Japanese gearing, Korean batteries, Thai Vee tires, Taiwanese aluminum frame, American rear shock, etc.
@tommycalaway7983
@tommycalaway7983 3 жыл бұрын
again you blow my mind with the how easy you make it all look. it's actually quite encouragingso old high school dropout like me becoming quite the electrical engineer thanks to your KZfaq channel. if I had copies of your books the future would be Limitless.
@handyhippie6548
@handyhippie6548 5 жыл бұрын
this is why i subbed this channel. useful information, unbiased opinions, hands on examples of how to understand what, and why. you never fail to deliver on the goods.
@exgenica
@exgenica 4 жыл бұрын
At about 6.25, remember that the max current is quickly derated based on the temperature INSIDE the CELL...not the temperature in the case or general environment. So in most cases if one tries to take it up to the max current without derating for the cell's internal temperature one would quickly have a possible explosion, fire, and/or other catastrophic cell failure.
@GH-wt7ww
@GH-wt7ww 4 жыл бұрын
Would like to see a more expensive name brand battery tear down to see if you actually get what you pay for. Great video.
@czarzenana5125
@czarzenana5125 5 жыл бұрын
The electrical resistance of Nickel is about 70% of that of Iron, so the difference isn't very big. There are plenty of cross sections between cells in series, so it wouldn't be a problem at all. You could have actually measured the width and the thickness of the strips and do some calculations instead of using words like 'I guess' and 'probably'. The point that worries me is the (dual layer) strips of the first and last row. Furthermore, you didn't measure the capacity of the cells. You went for the datasheet. If there is one thing you cannot trust it's the specs of Chinese cells. They are sold to up to 9999 mAh which is nearly 3 times of what is even possible at the moment. Most of them perform way below their (fake) specs.
@kevincai96
@kevincai96 4 жыл бұрын
Those are really only the UltraFire cells. If you get branded cells that weigh the right amount, you can be confident they have decent capacity. Internal resistance on the other hand...
@4nlimited3dition_4n3d
@4nlimited3dition_4n3d 3 жыл бұрын
@@kevincai96 Most of them are also recycled and rewrapped.
@lawrencenelson7955
@lawrencenelson7955 2 жыл бұрын
Thanks for doing the breakdown on the battery, I learned a lot! I had wondered how there could be such great differences in battery costs from different vendors and manufacturers.
@exgenica
@exgenica 4 жыл бұрын
I'd run an electrical test first. Could save a lot of my time. At the end of the video you still don't know if the battery pack can in fact deliver the advertised Ah. In addition to the visual inspection, I'd have to use a battery tester before concluding it could be a quality battery. A "constant current" battery tester for up to 200V and upto 180W total dissipation is available for less than US$40 and can rapidly give you pretty good insight into the Ah the battery can deliver in reality...not just as claimed by the seller. I'd run the electrical test first. It's a fast, easy and definitive way to tell if the battery is even capable of delivering anything near its claimed specs. It may take 3 or 4 charge/discharge cycles. Only then, if it passes that testing would I worry about taking it apart for visual examination of build and component quality. Running the electrical test first could save a LOT of my time if the battery is low quality, and it generally should be safer, too. BATTERY PACK PERFORMANCE ISSUES: There are batteries out there that use counterfeit lithium cells, or even intentionally low-quality cells, so even if they are marked like they came from one of the known high-quality manufactures (Samsung, Panasonic, etc ####mAh rated cells) the cells themselves may in fact not be from that company nor provide the claimed mAh rating. Even the battery pack manufacturers may unintentionally get counterfeit cells once in awhile which can cause major underperformance. These are common issues for example in USB powerbanks. Example: one powerbank brand CLAIMS 10,000Ah capacity while using what turn out to really be 800mAh cells in a 6p1s 18650 configuration...which could at MOST rightly claim 6x800mAh=4800mAh (yet they are LABELED as 1800mAh NCR/Sanyo/Panasonic cells which they clearly are not)The same issues exists in many battery packs for many different uses (including e-bike packs) available on eBay and Amazon.
@exgenica
@exgenica 3 жыл бұрын
@@hchalmoepas6544 I can't recommend any specific ones, but there are some custom battery pack assemblers that have very good reviews on ebay. There are a number of individuals and companies you can find recommended in electricbike.com/forum You can find some sources recommended by DIYers that can provide just what you're asking for. The generally provide good battery packs because of the feedback on the forum. I've found the group very helpful and knowledgeable.
@thetechgenie7374
@thetechgenie7374 2 жыл бұрын
Yep exactly I seen so many falsely advertised and using junk, or fake cells. I finally got one that was as advertised and using LG IMR 18650 cells 2850mAH and tested on discharge pretty close, or slightly above, so definitely genuine and was cheaper then this pack in this video. I was actually surprised as was expecting Chinese FST cells, or one of the 3 common Chinese cells they use. A few packs even have had where BMS was miswired on discharge side and literally could drain battery down to zero as they bypassed the low voltage cutoff on the BMS? Don’t get me started on those packs claiming to have Panasonic cells using Sanyo and not the GA cells, so technically not Panasonic, or not even using neither and lying completely and charging $400 plus for the pack. I guess they figured out most won’t open the pack?
@David-xr2sc
@David-xr2sc 5 жыл бұрын
Awesome video. Not only did I learn how to check if a battery is good quality, but I also learned things I can improve on my DIY 18650 batteries.
@KS-2
@KS-2 5 жыл бұрын
Very good video. I do not mind longer videos with great content. Thank you for making this video. I’ve been contemplating on converting my existing bike to electric, and your videos have been a great help.
@henrycarter7563
@henrycarter7563 5 жыл бұрын
Nice video, I could of lived with the 25 minute one, the more information the better. Good work
@sup3rbird
@sup3rbird 4 жыл бұрын
Yeah, we're here for the information so the length doesn't really matter.
@bernym4047
@bernym4047 4 жыл бұрын
I learned so much about cycle battery design and technology from this video. Excellently produced with superb audio, lighting, focus and video-photography. Many thanks.
@joemehere1151
@joemehere1151 4 жыл бұрын
Thanks for taking the time to educate us. E- bikes are coming!
@DanielASchaeffer
@DanielASchaeffer 3 жыл бұрын
So for us mortals, who makes a good battery?
@mensch4434
@mensch4434 4 ай бұрын
do it yourself or you will get ripped off
@johnflahr5866
@johnflahr5866 Жыл бұрын
You do seem quite knowledgeable , I like your style Also happy that you do not usually use factory or other providers to do the free advertizing ,that usually is redundant Thanks and keep up the good work
@o1ecypher
@o1ecypher 5 жыл бұрын
I heard your book is the best thing to read for anyone wanting to build their own electric bike I'm here for this wonderful knowledge thank you for all the help man
@howardkagan2155
@howardkagan2155 2 жыл бұрын
Your analyses are at such a higher level than I've yet to see regarding these batteries. I think I purchased a quality ebike (2019 Cannondale Synapse Neo with a Bosch system) but I'm sure the technology is so much better 2 years later! Thanks for putting your knowledge out there..
@johngarriss
@johngarriss 4 жыл бұрын
Thanks for taking care with clear and intelligent explanations. I appreciate your attention to detail and you clearly value good quality design. I look forward to learning more from your videos and articles. Thanks again!
@goingoutotheparty1
@goingoutotheparty1 11 ай бұрын
There's another way to find out how good your battery is, without taking a hacksaw and dremmel to it, use a larger controller and motor for the battery and see how the BMS manages it
@jameswilson9368
@jameswilson9368 3 жыл бұрын
Hi James here from SC. This is a great website, very informative helpful and complete. I have an e-bike, three wheel. I turned it into e-bike, my first attempt. The company I bought from is gone, my battery is dead, so I learned an important lesson. I can't find a battery replacement so I'm going to build myself. That's how I found you. I'm going to build one no weld with one of your kits. It's 36 v, but I'm going to add more batteries for more distance and you have all the info and materials I'll need. I'll be looking up where to get the kit. I'm so happy I found you!!
@davidweeks1997
@davidweeks1997 4 жыл бұрын
Why not use a magnet to check for steel/iron?
@cyanictempest
@cyanictempest 5 жыл бұрын
I find all of this stuff SUPER fascinating, I always try avoid batteries because I thought they were too easy to mess up but this seems almost straight forward. Maybe I will make an ebike
@DKLVE
@DKLVE 5 жыл бұрын
Great job, you just made a very informative and important job checking that battery. I've checked my myself many batteries and what I found in some cases was very small BMS'S with small heat sinks. And all bad. I think that if BMS'S are too small they won't last to long.
@DATEx2
@DATEx2 2 ай бұрын
That price for that small capacity is totally insane!
@WHITELIONNYC
@WHITELIONNYC 4 жыл бұрын
"Bad publicity is free publicity...but I do have to charge you for mentioning me in your video." - EBR probably...
@frankakers8019
@frankakers8019 3 жыл бұрын
These videos are excellent tutorials for ebike owners & DIYers. Also great for segment teaching Industrial Technology skills & procedures
@jddw6999
@jddw6999 Жыл бұрын
Thorough review with balanced specificity. Now I am curious as to what battery manufacturers you like the most.
@10ksubswithoutoriginalcont65
@10ksubswithoutoriginalcont65 5 жыл бұрын
That DIY SOLAR POWER book looks like something i would read.
@mccwiseley8085
@mccwiseley8085 4 жыл бұрын
Your videos are very informative. I was hoping to see part 3 of the e-motorcycle build but I guess that is in the future. Keep up the good work. By the way. Motorcycle screws especially those connected to the engine are impact screws and you need to use a impact screwdriver to get them off without stripping the heads. In expensive tool but essential for motorcycle work.
@sirkillall
@sirkillall Жыл бұрын
I'm actually finding your videos quite helpful, this one was excellent.
@vicsaggu
@vicsaggu 3 жыл бұрын
I like your honesty , so in a nutshell you're scotty kilmer of bike world
@marinekappa82
@marinekappa82 3 жыл бұрын
Wow, I learn so much watching these vehicles. I'm sure I'll be a lot more educated when I buy my new eBike.
@a1harrogate
@a1harrogate 5 жыл бұрын
Pity about the missing thermal sensor on the pack. Often even cheap packs have this connected to the BMS.
@stevelacroix2917
@stevelacroix2917 5 жыл бұрын
Got one of your book hope to win another......this is about quality, and I'm glad your covering this.
@mannyalzona1048
@mannyalzona1048 3 жыл бұрын
Good info to check the quality of batteries with chemistry included
@flmoseley8141
@flmoseley8141 5 жыл бұрын
Excellent video. KZfaq is an outstanding teaching source and this video is no exception. I do have a question though. This battery is of medium quality and is exactly the type of battery I have on my ebike right down to the voltage and amp hours. My battery is weakening after only 2 years. I have a 500 watt motor on mine so should I be shopping for something like a lg battery? If that battery in your video retails at $299 something tells me a premium replacement is gonna be in the $500 range. Which route do you suggest I go. Heck I only paid 700 for my whole bike and the replacement battery will almost be as much lol.
@prashantshinde2684
@prashantshinde2684 5 жыл бұрын
Good know-how about the commercially available battery packs. Thanks to point out pros n cons of it..
@HackHunter1835
@HackHunter1835 5 жыл бұрын
This video is another reason why i sub'd way back when. Well done.
@linuxpilot183
@linuxpilot183 2 жыл бұрын
I really enjoyed this video! 👍😁 I’m just getting started with ebikes and am burning up the “airwaves” so to speak in educating my self. I have a nice class II ebike that was fairly inexpensive. I use it as a commuter bike to go back and forth to work. It’s called a VIVI
@mikesumner5320
@mikesumner5320 4 жыл бұрын
Great video. I am starting out with e bikes and this helped demystify lithium batteries as well as describe best practices for construction
@ryanseidel7436
@ryanseidel7436 5 жыл бұрын
Great video, lots of insight. Just saying if you want to do an ad at the end of your video and you are clear what is content and what is an ad I have no problem with that. Obviously this is your channel and you do what you think is best.
@davidswaney8358
@davidswaney8358 4 жыл бұрын
Very informative. I wish you repaired Ebike batteries, having a hard time finding someone I can trust to send my battery off to. There has to be a trustworthy battery repair business somewhere, so far nothing but negative reviews on any place I can find.
@exgenica
@exgenica 4 жыл бұрын
I seem to remember there were some battery pack builders and repairers that got quite good reviews on website: electric-skateboard.builders/ Hope my memory is good enough to help you with this. It was quite a while ago when I read the reviews.
@stuarthutchings3092
@stuarthutchings3092 4 жыл бұрын
To test for solid nickel or Nickelplated steel just take a magnet! Love all your videos they are sooooooo cool
@djotter
@djotter 5 жыл бұрын
As well as inspecting a commercial kit, you also give good advice to DIY a clone. Thanks!
@jamesceastep8874
@jamesceastep8874 2 жыл бұрын
Thanks for good detail, clearly explained & photographed. - Jim
@andrewhaychemistry
@andrewhaychemistry 3 ай бұрын
Superb video, really useful, much appreciated. I must go home and strip down my batteries this weekend to check their quality.
@AlainHubert
@AlainHubert Жыл бұрын
One other thing that I would like to mention: the battery casing is black, which will undoubtedly heat up in the sun, and build up heat inside the battery which is definitely not good for the cells. Especially since there isn't any temperature probe inside. Why do bike accessories manufacturers insist on making them black is beyond me? Black water bottles, black seats, black handles, etc. All of these become very hot in direct sunlight in the summer!
@davidhankins7109
@davidhankins7109 2 жыл бұрын
Very educational video , I learned so much. Just minutes before watching this information I was looking for a second battery for my e-bike. This helped me make up my mind.. Thank you David Hankins Ozark Mo.
@adus123
@adus123 4 жыл бұрын
Thats all good but you still need to buy it first and probably void warranty opening it up so you carnt send it back if you have voided the warranty by opening it.
@Doctorbasss
@Doctorbasss 5 жыл бұрын
That's an excellent review! You examined every important points including common CONS that cheap battery have. Btw, sometime when a parallel group have the main positive or negative wire soldered to one end of a parallel group, there chance that the opposite polarity have a serie link to the other end, which conpensate for current balance.. but in that design where serie parallel connections are in majority in "W" there is les chances. Also i would have been curious to see if teh ON/Off switch is connected to the BMS SW1 input.. usually located close to the external temp sensor connections... in fact BMS with switch input and temp sensor are usually input that are connected in serie.. and when there is no external switch used, the connections on teh PCBare simply jumped together to close the loop and enable the BMS FETS.
@BillTheHawk
@BillTheHawk 2 жыл бұрын
First time I have watched one of your videos. Wish I had known about this channel long ago. Great information. Thanks.
@stephencoutinho9626
@stephencoutinho9626 Жыл бұрын
good video. precise and to the point. no dilly dallying to lenghten the video. Tks mate.
@ricoeltico1
@ricoeltico1 Жыл бұрын
very good. cheers. manufactuerer quality batteries are expensive and we all are thinking cheaper batteries are fine. your inspection and conclusion throws this out of the window. good work.
@williamaungleyraud
@williamaungleyraud 5 жыл бұрын
EBR got roasted 🔥🔥🔥 I can see no colab videos coming up 🧯
@LeonVuksic
@LeonVuksic 5 жыл бұрын
Naah.. It's just honest, EBR should agree
@whazzat8015
@whazzat8015 3 жыл бұрын
You mean Court's fawning over everything was not heartfelt and sincere? I thought that EVERY ebike was just WONDERFUL! after hearing him. Now you tell me he was paid. Crushed. I am crushed.
@50ShadesOfBeige
@50ShadesOfBeige 5 жыл бұрын
This kind of product review is exactly what I like.
@domeshining5473
@domeshining5473 5 жыл бұрын
Thanks for the very informative video. Been very interested in creating my own battery packs for a while, and your videos are helping a lot.
@LesterWalters
@LesterWalters 5 жыл бұрын
Good job. Thanks for going the extra mile to verify the nickel plated steel. 👍👍
@CanonFirefly
@CanonFirefly 5 жыл бұрын
Great video, it would be great to see more of the same from some other more well known Chinese battery manufacturers. EM3EV, unit pack power etc.
@dragonseyepictures9425
@dragonseyepictures9425 4 жыл бұрын
Thanks for the informative video. I am a bicycle tech just starting with ebikes. I picked up a defunct ebike at a garage sale, and It seems that the battery is bad, so I am looking at inexpensive replacement or refurbish options. Your video has given me some vital information to use when selecting a replacement.
@Juansanjuanlopez
@Juansanjuanlopez 4 жыл бұрын
Thanks for the explanations. I'm going for my second electric bike kit, I'll check the battery construction.
@karlschwab6437
@karlschwab6437 4 жыл бұрын
So interesting on ebike batteries! Thanks so much for doing this; I had no idea on how complex these ebike batteries can be! Thanks again.
@sharkysnipe6777
@sharkysnipe6777 3 жыл бұрын
Great videos! Interesting batteries. Find this whole thing expensive but what can we do? Save money and enjoy the ride.
@IPlayGames3
@IPlayGames3 2 жыл бұрын
If anyone doubts the quality of the cells, hailong sells this without any cells inside so that you can build it yourself!
@billprocter942
@billprocter942 5 жыл бұрын
I appreciate the detailed and honest review. I was actually looking at this battery on Amazon.
@simonrompre
@simonrompre 4 жыл бұрын
Thank you, very informative, batteries are a very important ebike component and knowing what is inside the case is very helpful.
@specialk22tt
@specialk22tt 5 жыл бұрын
Great video idea. Really helps us learn in a very practical way.
@psiResearch
@psiResearch 2 жыл бұрын
This was very informative as I am comparing batteries while preparing to make a purchase. Thank you! -Bill
@kingcryptobro800
@kingcryptobro800 8 ай бұрын
Great Vid, would love to have a couple of your books when the time comes for my Ebike modifications. Thx really for the info.
@mikeoxmall9199
@mikeoxmall9199 3 жыл бұрын
Love your videos. I'm learning so much. Weird observation. You handle the knife like a warehouse guy. You are the first KZfaqr to open boxes like I do. Anyway. Have a good day.
@dalemarriott2328
@dalemarriott2328 5 жыл бұрын
Hi could you do a video about salvaged drill / laptop cells , pros & cons
@seanrice7511
@seanrice7511 3 жыл бұрын
Please do a proper build and review as if you yourself were going to use an Ego 56v or Toro or Dewalt 60v using the adapters and harnesses now available. Why did the ebike world SETTLE on a tightly packed black brick with no passive thermal management for the defacto battery pack? I would like to see what an Ego 56v 10AH battery would do against a 48 or 52 volt name brand ebike brick battery in terms of range, top speed, cell temperatures, and Warranty. I am newly subscribed after 20 years of not being in ebikes. My last one was 24 volt lead acid chain drive Currie. Things have changed, but whey are we stuffing so many cells in a tight space? Can’t we be more creative on how to mount and design battery packs yet?
@bukucsjozsef9630
@bukucsjozsef9630 4 жыл бұрын
The charger voltage measure missing. Basically this need the balancer correct workink, otherwise also important to battery fully charged, but not overcharged.
@Crzydrmstick
@Crzydrmstick 5 жыл бұрын
Great information, i am busy with developing an electric moped myself. And possibly creating our own battery.
@dimyttt1780
@dimyttt1780 5 жыл бұрын
Congratz for the amazing work you"ve done with this battery inspection!! The choose to not promote e bikes and keeping te channel free of ads makes you an amazing youtuber.. Thank you a lot for all these insights.
@vitotedeschi3653
@vitotedeschi3653 Жыл бұрын
Nickel plated steel. Good find. Thanks
@6235dude
@6235dude 4 жыл бұрын
Ok, I'm subscribed! I'm beginning my research with the intention of building an electric motorcycle. I know virtually nothing yet, but I was impressed with your presentation, and will be looking at more of your videos, and considering reading your books. Thanks for the quality presentation
@Dr.Vincent_D_Gilmer
@Dr.Vincent_D_Gilmer 4 жыл бұрын
Same!
@travissierra8519
@travissierra8519 2 жыл бұрын
That’s a great instructional video Mika, could you not use a strong magnet to test your fits nickel plated steel?
@mikejackson8163
@mikejackson8163 4 жыл бұрын
i put this battery in my ebike it goes around 9 -10 miles range Battery model: 36V 14ah Rated capacity: 14ah Rated voltage: 36V Cell combination: 4 parallel 10 series Battery size: 68X188 X78 mm Number of batteries: 40 Instantaneous maximum discharge current: 30A Maximum continuous discharge current: 15a Standard charging current: 2A Charging time under standard charging current: 4 hours is the battery bad was at the beach
@markjohnstone4914
@markjohnstone4914 5 жыл бұрын
Great review that helped a newbie like me to learn some things! Video was NOT too long...curious as to why you did not do any tests on the pack to see what it was capable of? Thanks again!
@NK-fq1nb
@NK-fq1nb 5 жыл бұрын
Great video! Now i have a better idia of how to check the battery quality. Thanks
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