Skyvast 10.8V 5200mAh New Laptop Battery for Lenovo Thinkpad L440 L540 T440P T540P W540, Compatible P/N: 45N1144 45N1145 45N1150 45N1151 45N1158 45N1159 0C52863 0C52864 Battery type: Li-ion ; Capacity: 5200mAh ; Voltage: 10.8V. Fit Machine Models Lenovo Thinkpad L440 L540 T440P T540P W540. Replacement for 45N1144 45N1145 45N1150 45N1151 45N1158 45N1159 0C52863 0C52864. Shipped Same or Next Business Day. CE-/FCC-/RoHS-Certified for safety. Warranty: 12 Months warranty, 30 days money return guarantee.