Yeah, will be getting a jumper. The charger has 2A, 4A, and 8A settings. I changed all my lights out to low-watt LED. Which reduced consumption 50+ watts, so 4A shouldn't be an issue. I think it will work at 8A. Guess I'll find out. If 8A is too much, I could buy 2 of them and run one at 4A and...