Replacement Laptop Battery for Lenovo 3000 F50 Series, 3000 F50, 3000 F50A, Lenovo 3000 Y400 Series, 3000 Y400 9454, Lenovo 3000 Y410 Series, 3000 Y410 7757, Lenovo 3000 Y410a Series, 3000 Y410a 7757 ,[10.80V, 4400mAh, Li-ion]
This replacement battery is also compatible with the following models:  Lenovo 3000 F50 Series,        3000 F50, 3000 F50A,    Lenovo 3000 Y400 Series,         3000 Y400 9454    Lenovo 3000 Y410 Series ,        3000 Y410 7757,    Lenovo 3000 Y410a Series,        3000 Y410a 7757,