The ET03 Powerful Car Battery Jump Starter delivers 2500A peak current, jump-starting 6L6000cc gas engine or up to 4L4000cc diesel engine. It also functions as a 74Wh power bank with two fast-charging USB ports. Features a 400 lumen LED flashlight with 3 modes, LCD battery display, and 10 safety protections. Operates in temperatures from 14 degrees F to 140 degrees F, supports 50 jump starts per charge. A QR code is printed on each item and/or gift box providing access to the latest user manual.