ROCKETY Laptop G50 battery Replacement for lenovo battery g50-70 g50-45 g50-80 g50 80 g40-70 z40 z40-70 z50 Z50-70 L12s4a02 L12M4E01 L12M4A02 L12s4e01 L12S4A02 batteries Pack(full 2600mAh cells)