Replaces OEM # 5B10W51860, 5B10W51861, 5B10W51862, 5B11M90022, 5B11M90023, 5B11M90024, L21L3P71, L21M3P71, SB10W51961, SB10W51962, SB11M89823 Fits: LENOVO THINKPAD P14S GEN 3, P14S GEN 3 21J5, P14S GEN 3 21J6, P14S GEN 4, P14S GEN 4 21HF, P14S GEN 4 21HG, P14S GEN 4 21K5, P14S GEN 4 21K6, T14 GEN 3, T14 GEN 3 21CF, T14 GEN 3 21CG, T14 GEN 4, T14 GEN 4 21HD, T14 GEN 4 21HE, T14 GEN 4 21K3, T14 GEN 4 21K4 Specs: 11.58V, 3400MAH, 39.3WHR, 3 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety