Quote:
Originally Posted by puddleglum
As for your battery calculations, in theory you are right about the AH and amps required, but nothing is 100% efficient. Batteries are rated at a 20 hour rate. The 1 hour rate is about half that. Also, you don't want to discharge below half capacity or you will get very few cycles out of it.
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Just a note, this applies mainly to lead acid batteries. High-draw and deep cycles also hurt other chemistries, but not nearly as much. On the downside, most of the alternatives like lithium-based batteries would be fairly expensive.