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craig-newman avatar image
craig-newman asked

Charging parallel batteries (2) with a DC to DC charger?

Hi

I am using a Victron Orion-Tr Smart 12/12-18A Isolated DC-DC charger with a single battery. Wanting to double that battery up, with an identical battery. Is this charger fine to use? I realise it may charge slowly, not an issue - just wondering if it is capable of it or if this raises any issues re the software in the charger?


Thanks all!


orion dc-dcorion
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1 Answer
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kevgermany answered ·

Ok so long as the batteries have the same chemistry/charge requirements. I've been running like this for a couple of years.

Make sure both batteries are fully charged/at the same voltage before connection.

If there's a big age gap between the batteries, be aware that it's better if both have similar ages.

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