Specification: Capacity:20000mah Input:15v/1a Output:12v car jump starter Laptop charging port: 12v/16v/19v Usb 5v/2.1a Starting current:300a, 450a Peak current:600a, 900a Size:188x86x35mm Weight:480g Operating temperature range:-20?~60? Feature: 1.Allianz insured item 2.Ghb developed patented item 3.Cool appearance Application: 1.Electronic product: mobile phone, psp, mp3/mp4/mp5, camera, laptop, tablet pc, pda 2.Car (12v carbattery)