SOLUTIONS-365 Compatible T440P battery for lenovo thinkpad W540 W541 T440P T540P L440 L540 series 45N1162 45N1144 45N1145 45N1147 45N1149 45N1148 45N1150 45N1151 45N1163 0C52864 0C52863 laptop battery 6 Cell Laptop Battery