Lithium polymer
Lenovo Main Battery Pack 7.6V 3800mAh
2-Power Main Battery Pack 7.6V 6000mAh 45.6Wh
2-Power Main Battery Pack 7.6V 5200mAh 39.5Wh
2-Power Main Battery Pack 10.8V 6900mAh
HP Main Battery Pack 11.34V 3440mAh
2-Power Main Battery Pack 11.25V 4670mAh