66666mAh Battery Pack That You Never See In a Jump Starter：66666mAh Portable Jump Box with multiple output ports, including 5V/2.4A USB, QC3.0 USB,100W Max Type-C and 15V DC, charges numerous USB devices. A full charge can stand by for 36 months. Powerful Startup Performance: YESPER ARMOR PRO 2500A car jump starter can crank 12V car/motorcycle/boat etc. in seconds in extreme climate -4~140℉(up to 8.5L gas/6L diesel). A single full charge starting up to 120 times lets your engine roared to life