Better-Power High quality laptop battery for ASUS K53s K43s K43e K53sv A43e A53s X54h K53sw X43SJ X43JR A53 K43U X43BY A53TA K53T X43U X43JX X43S X43SJ 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: 1 year warranty, 30 days money return guarantee Manufacturer Directly Sell