Lenercom 3000Amp car jump starter uses a high-speed polymer battery instead of a normal starter. With the super 3000Amp peak and 24000mah capacity, it is easy to start a 12V vehicle (up to 10.0L gas engine or up to 8.0L diesel engine) , RV, tractor, lawn mower or speedboat up to 50times.and support more than 1000+ recharge cycles. Powerful and suitable for on the go.