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diy solar

looking for proper BMS for my system

chelseawaves

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Joined
Oct 14, 2020
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hey guys! i plan on building a 2P4S bank using EVE cells from Xuba, that would be a 12V 560Ah bank.
i'll be using a 2200W inverter for an induction cooktop along with basic 12v stuff like LEDs, phone chargers, water pump etc, + i plan on converting a water heater tank with a 12v element.

i am looking for a BMS that can handle something around 300A , i probably can split this into 2x 4S in parralel as 2 banks with 2 BMS, but i'd rather have a single pack with 1 BMS for every cells, if that's possible of course, let me know what you think!
 
For a 2p4s, you can't have each cell monitored. It just doesn't work that way. To monitor each cell, you need 4s2p. My original design was going to use 2p4s, but I finally came around and switched to 4s2p. I use a 120 amp BMS on each battery, giving me a theoretical 240 amps. You can certainly go with another BMS with bigger charge/discharge ratings.
 
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