Replaces OEM # 5B11F21940, 5B11F21942, 5B11F21943, 5B11F21948, 5B11H56338, 5B11H56339, 5B11H56340, 5B11H56341, 5B11H56427, 5B11H56428, 5B11H56429, 5B11H56430, 5B11H56431, 5B11M89996, 5B11M89997, 5B11M89998, L21C3PG1, L21D3PG1, L21L3PG1, L21M3PG1, SB11F21944, SB11F21949, SB11F21950, SB11F21951, SB11H56239, SB11H56242, SB11M89799 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: 11.25V, 3735MAH, 42WHR, 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