Yafda T440P 10.8V9210mAh New Laptop Battery for Lenovo ThinkPad T440P T540P W540 W541 L440 L540 45N1153 45N1152 45N1145 45N1163 45N1162 45N1151 45n1144 45n1145 57++ 57 57+ 9-Cell Battery type: Li-ion ;Voltage: 10.8V ;Capacity:9.21Ah Replacement for Lenovo ThinkPad T440P T540P L440 L540 W540 W541 Series Grade A cells mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection, enhances safety of usage and extends battery life. 100% New from Manufacturer. Warranty: 30 Days Money Back Guarantee / 12-month worry free warranty for our product Please contact us with any questions or concerns - we are here to help! Products trademarked Yafda. We focus on providing quality power products and excellent customer service. Part number : ASM P/N 45N1152 45N1153 45N1144, 45N1148, 45N1150,45N1158,45N1160;FRU P/N 45N1145, 45N1149, 45N1151, 45N1159, 45N1161