T-Pain Is On A Boat: Re: [Electric Boats] Battery replacement

Monday, October 1, 2018

Re: [Electric Boats] Battery replacement

James,

Thanks for the suggestion. A little more about my battery storage. I built my 2 battery boxes 6 years ago to fit 8 GC2 FLA batteries in each box. With Lithium I can reduce to one box leaving the other box for storage, or bigger fuel tank for the generator. Without major cutting of the battery boxes, I'm limited to which cells I can use. 32 X CALB 180, or 200 won't fit without cutting the box. 64 X CALB 100 wont fit either. I have found some taller cells that fit my space better. One is the FPT 220 Ah. I can easily fit a 16S2P pack using these cells. Another tall cell is the Frey New Energy 100 Ah. I can easily fit a 16S4P pack using these cells.

Does anyone have experience, or opinions about these cells?

I've read some that more cells in parallel can be beneficial in LiFePO4. Lower internal resistance is one with more in parallel, and that a weak cell can be "propped up" by the others and still be detected by the BMS as an issue. I don't know though.

Chris

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Posted by: clh5_98@yahoo.com

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