Tips: Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery. Specification: Battery type:Li-ion Voltage:11.1V Capacity:7800mAh Cells：9Cell recharge cycles：500 Operation time: Around 1.5-5hours 9 Cell 57++ New Battery Replacement for Lenovo ThinkPad T440P T540P W540 W541 L440 L540 45N1152 45N1153 0C52864 11.1V 7800mAH Replacement Model: T440P T540P W540 W541 L440 L540 Compatible Part Number: 45n1144 45n1145 45n1152 45n1153 45n1150 45n1151 0c52864 0c52863.
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