11.10V,4800mAh,Li-ion,Replacement UMPC, NetBook & MID Battery for LENOVO IdeaPad S10, S10e, S12, S9, S9e Series,Compatible Part Numbers: 45K2177, 51J0398, 51J0399, ASM 42T4683, FRU 42T4682, L08S3B21, L08S6C21,45K2175,

This replacement battery is also compatible with the following models:Lenovo IdeaPad S9 Series,Lenovo IdeaPad S10 Series,IdeaPad S10 20015, IdeaPad S10 4231, IdeaPad S10C,Lenovo IdeaPad S10e Series,IdeaPad S10e 4068, IdeaPad S10e 4187,Lenovo IdeaPad S12 Series,IdeaPad S12, IdeaPad S12 20021, IdeaPad S12 2959,Lenovo IdeaPad S9e Series,IdeaPad S9e 4187,