FANTTIK T8 APEX 2000 Amp Jump Starter is powered by a 20000mAh high capacity lithium-ion battery that can jump starts up to 40 times. T8 Jump Starter Series is designed to unleash maximum energy to start a dead battery, especially for vehicules with up to 8.5L gasoline engines or 6.0L diesel engines. Intelligently detects and displays voltage and battery level. With a 65W PD charger, battery can be charged from 0% to a single jump-starting in 5 mins, fully recharged in 1.5 hours.