Replaces OEM # L21C4PC4, L21C4PE0, L21D4PC4, L21D4PE0, L21M4PC7, L21M4PE0, SB11F52557, SB11F52563, SB11H31570, 5B11F52556, 5B11F52558, 5B11F52560, 5B11H31567, 5B11H31568, 5B11H31571, 5B11N51736, 5B11N51758 Fits: LENOVO YOGA SLIM 7 PROX 14IAH7, YOGA SLIM 7 PROX 14IAH7 82TK, YOGA SLIM 7 PROX 14ARH7, YOGA SLIM 7 PROX 14ARH7 82TL, YOGA SLIM 7 PROX 14IAH7 82V1, YOGA SLIM 7 PROX 14ARH7 82V2 Specs: 15.52V, 4511MAH, 70WH, 4 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