Re: [electricboats] Parallel LiFePO4 Packs

I have had a cell fail. I just removed it from the string making it 15s - I list a bit of AH but the motors run fine. 

if a BMS were to fail leaving you stranded, just disconnect it temporarily and keep a close look on cell voltages while motoring home to prevent a cell discharging too much. 

I originally had two banks of AGM batteries - completely separated with their own panels for loads and their own charging sources. When I went to LFP I chose to make a single battery pack. This makes life much simpler. And as others have noted, combining two batteries in parallel with voltage disparities can lead to disaster. 

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