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O: That... would be awesome! I just looked it up and I think it will work? My current battery's input is 5V/1.8A ...the listing for yours on Amazon says that it's 12V, but also "that it can charge any USB device" and someone asked the amperage at 12V and the answer was 0.583. ...which would make it be okay for my battery, right? I am not an electrician. XD

It doesn't produce enough for a smart phone if that's what you're trying to charge...but it can charge a battery pack with enough sun and time..

Oh hmmm! I wonder if it's not much faster than my battery pack. Hahaha - maybe the new one won't be, either, if yours is more expensive. Shit, I better check more reviews!