Battery type: Lithium ion; Battery Condition: Brand New ; Voltage: 15.36V ; Capacity: 54.7Wh 3564mAh 4-Cell
Replacement Part Number: L20C4P73 SB10W51920 5B10W51819 L20D4P73 SB10W51921 5B10W51820 L20L4P73 SB10W51918 5B10W51817 L20M4P73 SB10W51919 5B10W51818 L20M4P74 SB10W51922 5B10W51821 L20C3P72(11.52V/41Wh) SB10W51959 5B10W51858 L20D3P72(11.52V/41Wh) SB10W51960 5B10W51859
Compatible Models: for Lenovo ThinkPad X13 Gen 2 (Type 20WK, 20WL) Series, for Lenovo ThinkPad X13 Gen 2 (Type 20XH, 20XJ) Series, for Lenovo ThinkPad X13 Gen 3 (Type 21BN, 21BQ) Series, for Lenovo ThinkPad X13 Gen 3 (Type 21CM, 21CN) 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
Note 1: In order to find the right model, please open the back case of your laptop and check the model number of your original battery.When using the new battery, discharge it to 5% (not 0%) and then charge it to 95%. Repeat this cycle 3-4 times