Better-Power High quality Laptop Battery For Dell J70W7 JWPHF WHXY3 XPS 14 15 17 L401X L501X L502X L701X L702X 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