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Tony.Goddard avatar image

optimal charging current help

I have 2 x 135ah gel batteries wired in parallel, will a solar controller regognise this as one 270ah battery, effectively doubling the maximum allowable charging current? Or am i safer sticking to the 25 amps i currently charge with.

Cheers.

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1 Answer
kai avatar image

The controller will provide as much current as it can provide, given the amount of power it has from the panels, and as much as the battery will accept.

If the bottle neck was battery acceptance with 1x 135AH battery, you'll get some improvements when doubled up to 2x 135AH. Whether you get double depends on how much panel/light you have, and the capacity of the solar controller.

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