question

michaeltenerife avatar image
michaeltenerife asked

Why is the battery shown on VRM still charging when SOC is 100%

I just finally set up all the Connections to the Cerbo and I am surprised that the Batteries are still charging although they are supposed to be full:

screenshot-from-2022-05-04-18-00-14.png


Are pylontech batteries not supposed to be full at 52,8V?

VRM
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1 Answer
nickdb avatar image
nickdb answered ·

31W is barely charging. Batteries will top themselves up as they go along. SOC is a reference and not 100% accurate. The target voltage is defined by CVL of the bms which can be checked via VRM or the GX.

Nothing wrong here.

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michaeltenerife avatar image michaeltenerife commented ·
ok, thank you
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