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CATL 5.12kWh Charge rate

Hi, if I have 2 x 5.12kWh CATL Batteries and a 5kW Inverter, what's the maximum charge rate I can set it to - the inverter is currently set to 50A as per the spec sheet or because I have 2 batteries, is it safe & can I charge @ 100A ?


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DJ du Plooy
DJ du Plooy
Oct 24, 2022

Hi stu. I would also like to know the answer as I have the exact same setup but it seems this forum is useless.


I did some test the last 2 weeks and noticed when my 2 x batteries are charged at 100A the batteries seems to charge normally and then goes straight from 60%/70% to 100% SOC within one 5 minute update period (impossible). Also my batteries drained to about 40% each night. Since setting it to 50A charge the sudden SOC spike is gone and my batteries only drains to about 60%.


From my experience the time to recharge is still fine and it seems the SOC is maintained better. Just my 2 cents

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