LiFePO4 Batteries On Boats - Marine How To
This means a 100Ah battery can supply a 5A load for 20 hours before hitting a terminal voltage of 10.5V. A 400Ah bank can supply a 20A load for 20 hours before hitting 10.5V. Any loads above the 20 hour rating diminish the capacity of the bank. The 20 hour rating load is determined by; Ah rating divided by 20. 100Ah battery ÷ 20 = 5A
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