Better-Power High quality laptop battery for Lenovo G480 G485 G580 Y480 Y580 Z485 Z580 Z585 L11S6Y01 L11L6R01 45N1042 45N1049 L08M6D24 L11N6R01 L11S6F01 5200mah (with samsung cells) with Samsung cells ,with high capacity, with high quality Over-charge protection; Over-discharge protection; Over-heat protection; Over-current protection; Short-circuit protection; High capacity circulatory function over 10 years' exprience of manufacturing battery Warranty: 3 years warranty, 30 days money return guarantee Manufacturer Directly Sell