Battery type: A Grade Lithium Polymer battery Nano Tech Capacity is16000mAh&20000mAh Input is15V 1A Output is 12V car jump starter Laptop Charging Port is12Vor16V or19V USB 5V/2.1A Size is188*86*35mm Weight is 625g Starting Current is 300A or 50A Peak Currentis 600A or 900A Operating temperature range is -20 degree C TO 60 degree C 1Allianz Insured item 2AGA developed patented item 3Cool appearance