Monday, September 30, 2024

Re: [electricboats] Cells (modules) are dying.

On Mon, Sep 30, 2024 at 06:17 PM, shredderf16 wrote:

The top balance works. About 3.6v in parallel with small DC power supply. Might take a week to 10 days.

I use this current-controlled power supply to speed up top balances (over 100 amps at 3.65V (voltage adjustable)):
 
 
Look for the charge current to stabilize at a tiny fraction of the total amp-hours you have in parallel.
Example: for my 10kWh, 48V-nominal pack, putting all sixteen cells in parallel comes to 3200Ah.
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