Quote:
Originally Posted by tinman01
The batteries are the Deka Promaster 75 amps @ 120 min
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Ok thanks, that explains a lot. Common rating for deep cycle batteries is based on 20-hour discharge rate, not 2 hours.
Still, if your battery is rated for 75 Amps for 2 hours, that's 150 Amp-hours, and that's at the tougher 2-hour rate. The 20-hour rate should be even higher, like around 200 Amp-hours or so.