Power for laptop(Super Power)----continue 8 hours working, make your laptop with might doubled introducing the latest super capacity power for laptop, make sure the laptop to continuously work for 8 hours supply 8 connector plugs, matching about 95% laptops, three optional output voltages, meeting various need of different laptop. Product Model:ET581 Function: Outer-built currency battery of mass capacity for laptop Support standard: 8 kinds of connector plugs, be the same with 95% laptop Rated capacity: 11000mAH Output voltage: 12v stable voltage, 19v stable voltage, 19v gradual changed voltage Output current: 6A Security protection: supply protection from overflow charge,overflow discharge and short circuit charge time: 7h power supply time: 8h (various with the type, input voltage, power rate, working state of the laptop) Accessory: charger, power supply cable, output connector cable, connector plugs(8 kinds), protective bag for battery, manual. outline size: 210*150*18mm, weight: 1.2kg packing size: plastic packing, 320*230*85mm, weight: 1.9kg