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    Upgrading LiFePO4 280ah 48v to 560ah 2 batteries in parallel or double cells in parallel?

    Intending to double my LiFePO4 280ah to 560ah. Debating whether to do 2nd battery in parallel or double cells in one battery. Chatting with Kevin Zhang at Daly BMS in Shenzhen he seems to think it is better to double cells and use one BMS rather than making a second battery and paralleling BMS...
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    Bottom balance then no BMS

    Rank beginner. 16s 48v 280a LiFePO4 prismatic. Intend to bottom balance with Cellmeter 8, 8 cells at a time and the connect in 16s. Remove the balance wires and run. Check manually every few days and then if no issues every 6 months or so. Average charge 60a. Average discharge less than 10a...
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