Battery type: Lithium-ion battery Capacity:3.7V 8800mAh/32.6WH 8800mAh Notobook external battery series for IBM,Acer,Lenovo,Asus,HP,DELL,Fujutsu ... ,NEC,SONY Size:120*80*25mm weight:370g Battery type: Lithium-ion battery Capacity:3 ... ,HP,DELL,Fujutsu,NEC,SONY) 8800mAh Notobook external battery series for IBM, Acer,Lenovo,Asus,HP,DELL,Fujutsu,NEC,SONY