Bay Valley Parts 6-Cell 11.1V 4800mAh New Replacement Laptop Battery for LENOVO: 45K2175,45K2177,51J0398,51J0399,ASM 42T4683,FRU 42T4682,L08S3B21,L08S6C2142T4680,42T4681,42T4684,42T4686,42T4687,45K2177,51J0398,51J0399 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