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DIY lifepo4 272ah battery pack

Mgmuzza

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Joined
Feb 19, 2021
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17
Almost finished building my battery pack for my camper
Lishen 272ah cells
Flexible 35mm2 busbars
Heyo (daly) bms 120a
Ply box with lock/pressure bolts in the side
Foam insulation underneath and at sides
 

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That is the way of connecting the battery in series I will be using in my next battery pack built, if have accident short circuit between battery terminals, you will shorting out only one cell.
 
Very Nice... I plan on a similar setup, but with a 48v pack. I like the idea of having each area of the solar system modular like this with the plugs so I can pull one area out to work on it. Is that a fuse on the negative lead?
 
Very Nice... I plan on a similar setup, but with a 48v pack. I like the idea of having each area of the solar system modular like this with the plugs so I can pull one area out to work on it. Is that a fuse on the negative lead?
It’s a shunt for measuring current usage
 
I really like your intercell connections. Should reduce strain on terminals. What type of tool did you use to crimp the ends ?
 
I really like your intercell connections. Should reduce strain on terminals. What type of tool did you use to crimp the ends ?
Thanks
I used a hydraulic crimper bought off eBay has worked really well
 
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