UPS battery backup question

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Well my theory is the unit will charge a larger battery of the same chemistry fine.. But just take longer. I would want to add a cooling fan to blow across the transformer and another above the heat sinks.

It wouldn't hurt to change the 10awg batter wires to 8awg

I think the only real issue would be extended run time loads overheating or melting the circuitry. A small load and cooling fans would hopefully remedy this


I could wire the mp40s and the Jabeo return pump directly too the batteries so there would be a very small load to run through the ups it self