diy solar

diy solar

What's your opinion on the best BMS?

Sure no problems..

Dashboard

Screenshot_20211119_092058_com.jiabaida.bms.jpg

Battery view

Screenshot_20211119_092121_com.jiabaida.bms.jpg


Log view

Screenshot_20211119_092134_com.jiabaida.bms.jpg


Temperature calibration

Screenshot_20211119_092211_com.jiabaida.bms.jpg


Voltage graph (click to zoom in on the app)

Screenshot_20211119_092158_com.jiabaida.bms.jpg
 
There's also 59 parrameters that you can set on this BMS that I think is alot to give greater control over your system.



I am still messing around with the settings to figure out what's best for me
 
If I wanted to avoid stuff made in China, I would lead a pretty dull life. I wouldn't have a cell phone, TV, or any of a number of things. Fact is, the Li batteries are pretty much all made in China, so you are stuck with that. I do get your point though. It's a roll of the dice what you may get, but a board like this one can sort out some of the chaff.
Couldn’t say it better, totally agree with you. Cheers, Albert
 
Its an indication to the shallow meaningless thinking of the average American.. "all show and no go".

I have been reading internet forums and facebook groups dealing with solar, batteries and BMS's for almost 5 years now.. I think I'm a member of all of them.. LOL

I wouldn't put a Chinese BMS and a lithium battery in the same room with each other, let alone actually connect them.

There are only three BMS's I would consider at this point.. REC, Batrium, and Orion.. I use a REC myself, but may use a Batrium on my next battery.. Not because I'm unhappy with REC by any means, but just to expand my own experience.

I've heard good things about Orion as well, but I'm more familiar with Batrium at this point.
Nice rig! Can you share some of the build details?
 
Anything that you think is unique about your build or anything non-obvious that you discovered along the way to completing your project.
It's a battery, it has positive and negative terminals.. there's a BMS to monitor it and make sure it doesn't do something stupid. Its in a big steel box. The cells come from a Chevy BOLT EV.

I'm not sure what details you're looking for. Most of these lithium ion batteries are all the same from my perspective. Its like putting D cells in a flashlight.. Pos to Neg to Pos to Neg and so on. Mine is technically 14s8p. Its 25kWh and can push north of 400 amps if I needed to send a signal to one of the Voyager space probes or something like that.
 
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