Bay Valley Parts 9-Cell 11.1V 7800mAh New Replacement Laptop Battery for LENOVO:121000714,121000811,121000846,42T4587,42T4589,42T4591,42T4593,45K1274,45K1275,45K2176,45K2178,51J0399,57Y6346,ASM 42T4590,FRU 42T4589,L08S3B21,L08S6C21,L08S6Y21 LENOVO: IdeaPad S10,IdeaPad S10 20015,IdeaPad S10 4231,IdeaPad S10C,IdeaPad S10e,IdeaPad S10e 4068,IdeaPad S10e 4187,IdeaPad S12,IdeaPad S12 20021,IdeaPad S12 2959,IdeaPad S9,IdeaPad S9e,IdeaPad S9e 4187