Quote:
Originally Posted by Stubby79
If you’re using it for moments at a time, car batteries aren’t very heavy and can put out a lot of amps...plus easy and cheap to find.
I doubt there’s more than about 20ah in a motorcycle battery, and that will be cut in half or less under a heavy draw. Not that a car battery is going to be a lot better. Agm racing batteries are probably the way to go, but not cheap. Then again, for that kind of money, you might as well use lithium and save some weight. $$ brings us back to using car batteries....
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https://www.hybridautocenter.com/HAC...ule&Itemid=605
Two of those modules rewired from the factory 2-series, 2-parallel configuration to 4-series gets you a 30v, 29 Ah lithium battery for $220 that does 270A peak and 120A continuous output. Add something like a cell log 8s to check your balance.
Just looking around, most motorcycle batteries look like they're rated 80-100 cranking amps.