45N1740 45N1741 45N1742 45N1743 00NY639 Laptop Battery for Lenovo ThinkPad T550 T550s T560 W550 W550s P50s Series SB10K12721 44Wh

Battery type: Li-ion;
Voltage: 11.4V / 11.25V; Capacity: 44Wh/3900mAh
Compatible Models: Fit for Lenovo ThinkPad T550 T550s T560 W550 W550s Series, Fit for Lenovo ThinkPad T550- Type 20CK 20CJ Series, Fit for Lenovo ThinkPad T560- Type 20FH 20FJ Series, Fit for Lenovo ThinkPad W550- Type 20E2 Series
Replace Part Numbers: 45N1740 45N1741 45N1742 45N1743 00NY639 SB10K12721 3ICP/7/61/70 3ICP7/62/66
100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
For first use, please discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.