【Replacement Battery Type】Li-ion; Voltage: 15.36V; Capacity: 54.7Wh/3564mAh/4-Cell .
【Compatible P/N】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
【DG Quality】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.
【DG TIPS】For the initial installation, please reinstall and check the interface fully connected, discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.