Replaces OEM # L21C4P71, L21D4P71, L21L4P71, L21M4P71, L21M4P72, SB10W51964, SB10W51965, SB10W51966, SB10W51967, SB10W51968, SB11M89826, SB11M89827, SB11M89829, SB11M89830, 5B10W51863, 5B10W51864, 5B10W51865, 5B10W51866, 5B10W51867, 5B10W51899, 5B10W51900, 5B10W51901, 5B10W51902, 5B10W51905, 5B11M90025, 5B11M90026, 5B11M90027, 5B11M90028, 5B11M90029 Fits: LENOVO THINKPAD T14 GEN 3, THINKPAD T14 GEN 3 21AH, THINKPAD T14 GEN 3 21AJ, THINKPAD P14S GEN 3, THINKPAD P14S GEN 3 21AK, THINKPAD P14S GEN 3 21AL Specs: 15.48V, 3392MAH, 52.5WH, 4 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safe