I don't have any of the maintainers, just a GB40 booster pack for whent he battery is dead. Have used it on the 4-wheeler, lawnmower, V8 and smaller gas engines. A GB40 isn't big enough for my diesel truck, but I did buy an Avapow branded higher amp rated one that is.

NOCO GB40

Last edited by Cheesy; 07/12/22.