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Blue Smart Ip22 30a not bulk charging

Hej! I have a 240ah lithium battery bank(three 80ah). Even when the battery's are at 50% soc the charger only stays in bulk mode for 2-3 seconds. Then goes into absorbation and eventually stop charging before they are full. If I turn on the engine the the generator charges at around 60amps so something is not right. Any ideas?

Sorry if the language is off, English is not my native language.

battery charging
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2 Answers
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

Check the fuse at bottom of the charger.

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Thanks. Fuse is fine..

tozz avatar image
tozz answered ·

Little to go on, but if it starts acting up at 50%.. Could it be that you have a 12V charger with 24V batteries?


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It's a 12v charger and 12v battery bank. Problem is that no matter what I do it doesn't bulk charge. Only absorbation at around 4 amps.