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300A is very likely continuous current, may be I should make it 400Ah with 200Ah cells. If using 200Ah cells, which layout would you suggest, 2p8s or 8s2p? I wouldn't mind to use 2 BMS if 8s2p is the better option, thanks for your advice.

Hi all, I want to build a starter battery for my car. I took some reference on internet and find this LiFeP04 battery on Walmart https://www.walmart.com/ip/Deep-Cycle-Lithium-Ion-True-Marine-Dual-Terminal-Battery-With-Emergency-Start-1200CCA-Group-Size-31/458039754 which has a function called...

Hope it doesn' sound stupid. say if I need to make a 7s battery pack and 7s BMS is not available, can I use a 8s BMS on the pack, just leave the last red wire? Thanks a lot!

Hi all, need advice on high current demanded 25.6V 280AH battery bank for my boat bow thruster. The thruster motor is 24V and will pull up to 300A. My question is, should I build a) one single 25.6V 280AH with 8 280AH cells in series and 400A BMS or b) two 25.6V 140AH with 8 140AH cells in...