... Capacity:800mah 8800mAh Notobook external Lithium-ion battery series for IBM, Acer ... 25* 73*21mm net Weight:380g Battery type: Lithium-ion Capacity:800mah Input current :C 9V Input ... Voltage: 1A Output :C5 12V.9V.3V USB 5V colour: siliver,black charge time:about 5 ... connectors ,more notebook connectors, adapter 8800mAh Notobook external Lithium-ion battery series for IBM, Acer,Lenovo,Asus, ...