Look at big battery.com or electric car parts.com. in addition check out Will Prowse Diy Solar channel on you tube, he does a lot of reviews. I would go with a 36v server rack, much easier than building your own.
Jerry Barth
On May 7, 2022, at 2:32 PM, Skray775 <kelly@skraye.com> wrote:
Thank you all for the help in my first thread about LifePo4 batteries. I have done a lot of research and have a question about building a bank of cells.
System requirements, 36-volts, 50 to 100 aH, used to power a 36-volt trolling motor rated at 50 amp max.
Measured amp draw from trolling motor in a trash can full of water at half power setting was 10 amps. Full power setting could not be tested due to the limitation of my amp meter (25 amps). The power draw at setting 9 (out of 10) was 24 amps.
1) If you were building a battery would you build three 12-volt packs with three separate bms's, or construct one 36-volt pack with a single 36-volt bms?
2) Can you charge three 12-volt packs, each pack with its own BMS, wired in series, with a single 36-volt charger?
3) Your thoughts on SAB 60280 round cells vs prismatic cells. Used cells.
Thank you for the help.
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