... type: Lithium-ion Capacity:11.1V 6600mAh/74WH 3.7V/20000MAH 20000mAh Notobook external Lithium-ion battery series for IBM, Acer,Lenovo ... type:Lithium-ion Capacity:11.1V 6600mAh/74WH 3.7V/20000MAH Input:DC 14V 2A Output:DC 12V.16V.19V USB ... notobook (IBM, Acer,Lenovo, Asus,HP,DELL,Fujutsu,NEC,SONY) 20000mAh Notobook external Lithium-ion battery series for IBM, Acer,Lenovo ...