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Mathematically 3,000w @240v =12.5amps, so your 15amp outlet would be fine. A 240v to 12v charger would
give 250amps minus a few % for converting from 240v a/c to 12v D.C. and
voltage drop, which would depend on the length of the cable from charger to
battery, and the diameter of said cable.
So your 3,000w running comfortably would give around 200amps, which would be a brute of a charger, and I imagine far more than your battery
would be happy to accept.
raymo
Last edited by raymo; 21-02-2022 at 11:42 PM.
Reason: more text
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