Capacity:14.8v/2200mAh Input: DC18.5V/2.5A Output: DC16.8V/2.5A USB5V/0.5A Weight:800g 2200mAh Notobook external battery series for IBM, Acer,Lenovo,Asus,HP,DELL,Fujutsu,NEC,SONYCapacity:14.8v/2200mAh Input: DC18.5V/2.5AOutput: DC16.8V/2.5A USB5V/0.5A Weight:800g ACCESSORIES:one discharge wire 2200mAh Notobook external battery series for IBM, Acer,Lenovo,Asus,HP,DELL,Fujutsu,NEC,SONY