Replaces OEM # 5B10X02594, 5B10X02600, 5B10X02603, 5B10X02606, L19C3PD5, L19D3PD5, L19L3PD5, L19M3PD5, SB10X02591, SB10X02597, SB10X02605, SB10X02608, 5B11N52062, 5B11N52066, 5B11N52078, 5B11N56340 Fits: LENOVO THINKPAD E14 GEN 4, THINKPAD E14 GEN 4 21EB, THINKPAD E14 GEN 4 21EC, THINKPAD E14 GEN 2, THINKPAD E14 GEN 2 20T6, THINKPAD E14 GEN 2 20T7, THINKPAD E14 GEN 2 20TA, THINKPAD E14 GEN 2 20TB, THINKPAD E15 GEN 2, THINKPAD E15 GEN 2 20TD, THINKPAD E15 GEN 2 20TE, THINKPAD E15 GEN 2 20T8, THINKPAD E15 GEN 2 20T9, THINKPAD E14 GEN 3, THINKPAD E14 GEN 3 20Y7, THINKPAD E15 GEN 3 20YG, THINKPAD E15 GEN 3 20YH Specs: 11.1V, 4120MAH, 45WHR, 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