Replaces OEM # 5B10W51907, 5B10W51908, 5B10W51909, 5B11H56345, 5B11H56346, 5B11H56347, 5B11M90009, 5B11M90010, 5B11M90011, 5B11M90012, 5B11M90013, 5B11M90014, L21B3P73, L21M3P76, SB10W52008, SB11H56246, SB11H56248 Fits: LENOVO THINKPAD L14 GEN 3, L14 GEN 3 21C1, L14 GEN 3 21C2, L14 GEN 3 21C5, L14 GEN 3 21C6, L15 GEN 3, L15 GEN 3 21C3, L15 GEN 3 21C4, L15 GEN 3 21C7, L15 GEN 3 21C8, C14 GEN 1, C14 GEN 1 21C9, C14 GEN 1 21CA Specs: 11.64V, 5413MAH, 63WHR, 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