Recent content by gideon0223

Yeah, I guess I was asking more along the lines of: Do you think this is a bunch of caps doing this? (Seems really thin for that) Or do you think this is just some high discharge li-ion cells wired together to get the 300amps?

More of a general question but thought I'd post it here. Motorcycles are notorious for losing battery charge and not starting requiring a jump or rolling start. Was looking to get one of these new Li-ion battery / jump start modules capable of starting a car (and charging a phone or tablet)...

The problem is designing a solar water heater system to keep a 4500 gal tank of water at 140F during the day. The tank in question has the following properties: 5000gal Volume 4500gal water It loses about 1.8 degrees F/hr if not heated. I first need to figure out amount of energy...