diy solar

diy solar

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  • Post in thread: Lowering the low cell-voltage cut-off?

    Thanks. Yeah I’ll hang onto them. Just wondering if it’s _safe_ to drop the low voltage protection on the BMS so I can drive around while waiting for the replacements to arrive.
  • Post in thread: Lowering the low cell-voltage cut-off?

    I have a 24-cell LiFePO4 pack with about 12 damaged cells from a previous owner who allowed the cells to discharge over the winter. The bad cells still hold charge, but when discharging, their voltages drop below 2.5V under heavy load, which is the cut-off setting in my Ant BMS. Because the...
  • Post in thread: Lowering the low cell-voltage cut-off?

    The cells probably have plenty of capacity. I charged all of them to 3.65V individually and they went down to 3.2 or 3.3 when left alone for weeks. So there is capacity in the cells; just when under load, obviously they cannot maintain the same potential.
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