Specifications Battery Model: L21C4P73 / Voltage: 7.74V / Capacity: 49.5Wh 6400mAh 4-Cell / Color: Black / Condition: Brand New.
Replace Part Number L21C4P73 SB10W51980 5B10W51879 SB10W51981 5B10W51880 SB11M89882 5B11M90081 L21M4P76 SB10W51979 5B10W51878 SB11M89880 5B11M90079 SB11M89881 5B11M90080
Compatible with Laptop Models for Lenovo ThinkPad X13s (Type: 21BX, 21BY) Series
Purchase Skills Please open the back cover of the laptop before ordering and make sure that the original battery model is consistent with the listing. After getting the battery, please install the battery correctly, make sure that the battery connector is firmly connected to the laptop motherboard, and use the original charger to charge the laptop.Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
EPYOBW Promise All EPYOBW's batteries are certificated by UL/CE/FCC/RoHS. Our batteries are tested by strict quality control standards to ensure that the capacity is true, stable current, low self-discharge.And we also have short circuit, overheat, and overload protections. We are confident in the performance of replacement batteries and professional service.