Quote:
Originally Posted by Chance
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.
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I'm having a hard time wrapping my mind around the time frame they put on batteries. 75 amps for 2 hours how do they get 200 amps for 20 hours? Seems backwards. That seems to be on all the batteries, I just don't get how you can draw higher amps for longer times.
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