Hubei 57+ 45N1144 45N1145 45N1146 45N1147 45N1148 45N1149 45N1162 45N1163 0C52863 Laptop Battery for Lenovo Thinkpad L440 L540 T440P T540P W540 Series Notebook [10.8V 57Wh 5200mAh]

About us: we are Professional for manufacturing power tool batteries. we are always providing high quality power products with the best materials, which are CE certified, tested by manufacturer to match and exceed specifications of OEM products, we promise excellent customer service and money back within 30 days.
Specification:
Type:
Li-ionVoltage: 10.8VC
apacity: 57whCompatible
Part Numbers: 57+ 45N1144 45N1145 45N1146 45N1147 45N1148 45N1149 45N1162 45N1163 0C52863Compatible
Machine Models: Lenovo Thinkpad L440 L540 T440P T540P W540 SeriesNote: 1. Before placing your order, we highly suggest you to open the back case of your latptop and check out the exact part number of your laptop's original battery. 2. Discharge the new battery use to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times. 3. Do not disassemble, crush or puncture. Do not dispose of in fire or water. 4. If you remove battery for a long time, charge more than 80% at least one time within one months. 5. Don't connect adapter for a long time while using the battery. It may damage the battery. 6. When using the battery, care should be taken to prevent exposure and moisture.