Monster 20kWh Capacity using 12V 200Ah LiTime Batteries

Рет қаралды 11,421

4 ай бұрын

I combined 8 units of 12V 200Ah batteries together! Each being 2.5kWh, they combine to be a total of 20kWh!!!! HUGE Capacity!!! OMG!
Things I used to make this:
LiTime 12V 200Ah 200A BMS Battery here: bit.ly/3T4zA23
or here: amzn.to/3UwRhIx
LiTime 48V Battery Balancer: bit.ly/4bEBn51 (Use code: BTB4 for 4% off)
Previous 3000W Inverter: amzn.to/48jN0wm
New 5000W Inverter: amzn.to/3HSbn8s
Cables:
20' 2 Awg 5' black and red Cables: amzn.to/485Rndq
8 AWG AC cables: amzn.to/3PDBsgn (you don't need that much but it's the shortest I could get with a good price per foot)
MC4 pigtail: amzn.to/45akECl
Silicone Terminal Covers: amzn.to/3uoQdM7
2 Awg Cable Lugs: amzn.to/44WlKRZ
Terminal Blocks: amzn.to/481WX0g
Breakers:
25A AC Breaker: amzn.to/3ZkkKWw
63A 500V DC Breaker for Solar: amzn.to/44TlJhA
160A Main Battery DC Breaker 2P: amzn.to/45UuF7x
Battery Rack for 8 batteries: amzn.to/3uswH1p
Class T Fuse: www.donrowe.com/TFB1-200-200A...
Tools:
Ferrule Crimping Kit: amzn.to/46fvxn0
Cutter and crimp tool: amzn.to/3Zj0vIK
Solar:
Solar Panels 200W: amzn.to/3OxgmiA
Solar Mounting Kit: amzn.to/42zVehx
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Пікірлер: 93

@jasonodom9277 4 ай бұрын

My buddy Ryan was a huge fan of yours and he passed away about 6 months ago. As I sit here watching your video I just felt compelled to cheer you on and to let you know that you are doing a great job and he would want me to let you know to keep making these types of videos for us to all enjoy and learn from.

@rongray4118 3 ай бұрын

Jason - always great to hear encouragement for those taking the time to fill our lives and minds with useful knowledge! Sorry to hear about your buddy. Wishing you well!

@waakca 3 ай бұрын

I put heat shrink on my socket wrench handles just in case I touched the opposite terminal. I sparked the battery once on my car tightening terminals. I have a better procedure now but heatshinking the socket wrench is just another layer for safety.

@Rako_Studios 3 ай бұрын

@@waakca For cars, always connect the positive first. If the wrench touches body or chassis metal, no sparks since no ground path. Then, when you do the negative cable, no sparks to body metal since the wrench is at ground.

@str8chillaxin 4 ай бұрын

After watching your videos for around 6-7 years, your content has never gone downhill. I love that you go over nearly everything I can imagine thinking about as far as saving money, investing, living frugally, and becoming self-sustainable. Thank you for continuously providing top notch content after all these years

@Rako_Studios 3 ай бұрын

I would put a wood or ceramic blocks on top of the batteries, so if a shelf collapses, it does not short out any battery. Ceramic tiles are cheap, so are bricks.

@mikescholz6429 Ай бұрын

I was just thinking that theres too much battery on that style shelving

@teckkuando 2 ай бұрын

Love your dream of taking your electricity needs completely off grid!!! Thanks for educating me so that i can do the same!!! ❤

@BeatTheBush 2 ай бұрын

I am constantly upgrading this setup so more to come!

@luckylib 4 ай бұрын

Bush you are smart

@ascendantP 4 ай бұрын

Love to see the final breakdown in cost for the whole house battery backup system when you're done. Do you have to get it permitted and inspected in your area?

@douglasarnoldakers 3 ай бұрын

Just found your channel and subbed. Great content. Thank you.

@mannyfragoza9652 4 ай бұрын

very nice set up

@Code_hack_ 4 ай бұрын

Great system. Can you show a cost breakdown for that system? Will you also be doing follow up video showing your panel setup? Thanks for sharing

@BeatTheBush 4 ай бұрын

Yeah I can do a cost breakdown on this after I have it all up and running. I actually plan to add more so it's a work in progress.

@jing-chianwu 4 ай бұрын

BeatTheBush, can you tell us the number of days needed to reach the break even point in your case?

@waakca 3 ай бұрын

I put heat shrink on my socket wrench handle for safety.

@SmallVansBigWorld 2 ай бұрын

Congrats on going off grid. Regarding connecting in series batteries from different brands, I wouldn't recommend it. I have similar set up, 2p2s, batteries from same manufacturer, and two year later, even with a balancer I had to take my system apart because I noticed a significant loss in capacity. I push my system pretty hard with 10kw inverters, so there's that. After a couple months, check individual voltages when the system top balances.

@ag1382 3 ай бұрын

Wonder what the insurance co would say about this installation?

@milsonmun 4 ай бұрын

wow!

@roserosa8276 4 ай бұрын

Great video about energy savings Since you are in the area of savings I would like to ask if you have any videos talking about Phone (SIMless Internet-Only Phones) or a Mobile Separate Device? Do you you know anything about SIMless cell phones more for privacy purposes and savings?

@BeatTheBush 4 ай бұрын

I use Mint, you can use a non-physical sim with that if that's what you mean by 'SIMless'. kzfaq.info/get/bejne/d82lm61mzrXJYYk.html

@joesmith942 4 ай бұрын

There are several videos out about orienting solar panels vertically, rather than at the angle of your latitude. In short the idea is that the reduced heating of the panels improves efficency enough to offset the lower solar input. It would be good if you discussed your decision on this when you put panels up.

@MoaningGit 4 ай бұрын

Vertical is great in winter, I have some on my garage door.. I have a 500w air source heat pump inside the garage that pulls air from behind the panels, this really helps increase the COP rating for my domestic hot water

@BeatTheBush 4 ай бұрын

I suppose it depends on the efficiency drop of overheating your panels. My gut says to face them directly at the sun at 99.9% of the time but in extremely hot climates, perhaps you may need to tilt them away slightly to reduce temps.

@str8chillaxin 4 ай бұрын

@joesmith942 you are absolutely correct when it comes to bifacial panels

@gaudionofboston 4 ай бұрын

Are you back feeding to you main panel? If so, how so? Or is this an off-grid system in your grid tied house with those two outlets to access your free electricity?

@BeatTheBush 4 ай бұрын

This is intended to be an off-grid system with no intention to back feed, although it can.

@somedudeonyoutoob 3 ай бұрын

francis can you do a cleaner server rack system video. i would like to attempt the server rack because i can't have all those wires sticking out everywhere with kids running around in the garage

@BeatTheBush 3 ай бұрын

Sure. HOWEVER, even with a server rack, you better put any and all exposed wiring inside an enclosure with a lock on it with kids around.

@clementcho Ай бұрын

So I need some advice on what to do. What I am trying to do is I want to charge the Battery system during off-peak hours (cheaper e-cost) and use those stored energy during peak hours. So I assume the Eco Worthy inverter would switch mode during power outage. But could they be programmed to switch mode at particular time of day instead?

@BeatTheBush Ай бұрын

I run mine almost entirely on battery mode so it is not connected to the grid. Then you put on enough load to roughly balance out the amount of energy you get per day. No, you cannot program it to change modes at a particular time.

@Native722 4 ай бұрын

Had something similar setup and it caught fire.

@BeatTheBush 4 ай бұрын

What went wrong for you?

@xe-xx8vu 20 күн бұрын

can we get a update on the system and how things are going. with all that power, have you seen asignificant reduction in your electric bill?

@BeatTheBush 19 күн бұрын

Yes, it's also extremely interesting where the bill went. I'll do an update on that soon, I love talking about my system! LOL

@ClassyJohn 4 ай бұрын

Hi BTB, this may be a silly question but how do you maintain your EE knowledge over the years?

@BeatTheBush 4 ай бұрын

It's my hobby so I study it for fun.

@ClassyJohn 4 ай бұрын

@@BeatTheBush are there any particular subfields you fancy the most?

@socrates2706 4 ай бұрын

Not practical if you live in a hurricane zone (unless you have a very powerful solar array) because you will need AT LEAST 7 days of power in most cases. You could use one of these setups to supplement a big trifuel generator.

@BeatTheBush 4 ай бұрын

Probably the solar panels will blow away during a hurricane.

@theChef1337 4 ай бұрын

Hopefully you went through your utility, they generally don’t want people just hooking up solar panels and inverters to their home electric system, especially if there is potential to back-feed. If you don’t have the right type of electric meter which they only hand out for people that are in a net metering agreement then chances are you wont be able to “spin the meter backwards” for any excess energy you produce. There is even a chance certain meters will keep spinning forward even if you are sending energy back into the grid. You’re a smart guy BTB theres no denying that, but there are safety codes and guidelines that I’m sure you know are in place for good reason. An average person watching your videos might think the information you present is all you need to know but in reality should probably just seek a licensed electrician/solar contractor. Electricity is not something the average person should be messing around with.

@paul.phillips 4 ай бұрын

20Kwh in 12v is a lot, curious why you didn't go with a 48 volt system? Usually cheaper on wiring since you can use smaller gauge wire and safely power bigger inverters. Some 12v batteries can be put in series for 48v, but many cannot because their BMS doesn't support the higher voltage.

@BeatTheBush 4 ай бұрын

This is wired as a 48V system indeed.

@MegaValuedcustomer 4 ай бұрын

Your insurance company is going to raise your rates or cancel your homeowner's insurance policy when they see this video.

@MoaningGit 4 ай бұрын

No they won't.

@richb2229 4 ай бұрын

Fire trap! Not to mention the fumes inside the house

@douglasfuentes2737 4 ай бұрын

Can you please explain why?

@theChef1337 4 ай бұрын

I was curious myself so I looked at the inverter. Didnt look like it was UL certified from what i could tell, but i may be wrong. Insurance companies usually require these types of equipment to be certified

@MoaningGit 4 ай бұрын

@@theChef1337 it's NOT feeding the grid.. only pulls from the grid to charge

@vevenaneathna 2 ай бұрын

air cooled, like a porsche

@MoaningGit 4 ай бұрын

Won't the individual BMSs of the batteries take care of the balancing?

@BeatTheBush 4 ай бұрын

No, the internal BMS of each battery balances only the cells inside each battery.

@MoaningGit 4 ай бұрын

@@BeatTheBush interesting piece of kit, thank you for the video 👍🏻

@zizhang5496 Ай бұрын

Am i confused, if you connected all the batteries in parallel how you get 53 volt?

@BeatTheBush Ай бұрын

Each rack has two batteries in parallel. Then each of those combined shelves are strung in series to form a 2p4s battery.

@railking6 4 ай бұрын

Id be interested in seeing how to setup a switch for the hot water heater. Feel like a lot of power is going to waste heating water 24 hours a day.

@BeatTheBush 4 ай бұрын

Heat exchange water heater? Yeah, those will suck up a lot of energy eh?

@railking6 4 ай бұрын

@@BeatTheBush I have learned that in america every water heater in every home is trying to heat the water 24 hours a day. And i know that is some countries they will put a switch to be able to turn off the water heater to save power. I don't know why america doesn't do the same.

@Rako_Studios 3 ай бұрын

@@railking6 You can put a timer on your HWH. Search "little gray box". I doubt they save much. Getting to temp uses way more energy than keeping at temp.

@jneckcrank 4 ай бұрын

Are you going to EMP protect the house and backup system?

@BeatTheBush 4 ай бұрын

I may add a lightning arrestor for the PV modules but the backup system has to be fully enclosed including the wires.

@jneckcrank 4 ай бұрын

@@BeatTheBush please make a video of the cost of the components and the plans to harden the system for EMP. Protection

@gwentchamp8720 4 ай бұрын

Looks interesting but is this really practical? The cost for all this has to be fairly steep.

@solomonchau7725 4 ай бұрын

No, it's not practical, let alone extremely dangerous for "most people". He's an electrical engineer. This is his passion.

@kamsiu7342 4 ай бұрын

I remember this all in one unit only does PWM not MPPT charging

@BeatTheBush 4 ай бұрын

MPPT charge controllers are pretty standard on these larger hybrid inverters. However, I have yet to see it in action through my own testing.

@sukszeto1837 4 ай бұрын

Will you get back into Tesla stock any time soon?

@BeatTheBush 4 ай бұрын

My holdings are a secret for now but currently it's all time high. =D

@heinuchung8680 4 ай бұрын

House fire waiting to happen lol

@Nerdy_prepper 4 ай бұрын

⚡️😎👍

@MoaningGit 4 ай бұрын

I always cover terminals with cardboard

@BeatTheBush 4 ай бұрын

Would that not be fire proof?

@MoaningGit 4 ай бұрын

@@BeatTheBush only temporary while I'm tightening bolts

@BeatTheBush 4 ай бұрын

Nice

@davejoseph5615 3 ай бұрын

Aren't those batteries quite a fire hazard?

@kevinroberts781 Ай бұрын

Nope

@steadymobbin. 4 ай бұрын

Cybertruck

@tomevers6670 3 ай бұрын

I have a larger system and I think my system is small 😂

@BeatTheBush 3 ай бұрын

You are right. Eventually, I will grow this system larger.

@SmoothLounge7 2 ай бұрын

Wait, your whole house only uses 7-8 KWh a day? That’s nothing. Did I hear that wrong?

@BeatTheBush 2 ай бұрын

Correct.

@floydchusset3143 4 ай бұрын

Looks interesting but is this really practical? A perfect storm is brewing in the United States. Inflation, bank collapse, severe drought in the agricultural belt, recession, food shortages, diesel fuel and heating oil shortages, baby formula shortages, available automobile shortages and prices, the price of living place. It's all coming together and it could lead to a real disaster towards the end of this year (or sooner). With inflation currently at about 6%, my primary concern is how to maximize my savings/retirement fund of about $300k which has been sitting duck since forever with zero to no gains.

@jneckcrank 4 ай бұрын

If you can DIY I am guessing everything he spent is about equal to a generator that can do the same thing? So the trade is noise and fumes vs quiet power? Plus DIY you get to learn how to do it.

@pahanin2480 4 ай бұрын

Fire hazard

@solarcharging9743 2 ай бұрын

Awesome battery assembly but a poor choice for an inverter. High frequency, transformerless inverter like this offer a poorer surge capacity and a shorter life expectancy than real inverters that use low frequency, transformer based inverter technology.

@BeatTheBush 2 ай бұрын

A great learning experience if I can get this to fail at some point and I can tell all about how many years it actually lasts.