The main Lithiumbatterie load Starterbatterie unintentionally?

I control the charging of my lithium battery with a multiplus 800VA . The Multiplus is also using to charge the starterbatterie with the 4A Port. I noticed that I have a permanent power on the 4A line when the charger no longer has any power. From this I conclude that the starter battery is charged with the lithium battery in the situtuation without external charge power. Unfortunately, this is a problem for me because the BMS can't intterupt this.

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Paul B commented · Jul 24, 2021 at 08:25 AM

when you say power on the Aux 4amp charge do you mean that amps are flowing even when the charger is off. if there is voltage this would be expected but there should not be any amps AT all, please check and advise

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