LENOGE 11.1V 5200mAh Li-ion Laptop Battery for ACER Aspire 5921 5516 5517 E625 E627 G627 G725 D525 D725 AS09A61 5732Z Series Gateway NV51NV52 Series EasyNote TJ61 TJ62 AS09A41 AS09A31 AS09A56 Battery: Li-ion;Voltage: 11.1V (Compatible with 10.8V); Capacity:5200mAh/56WH; Cells: 6-cell. Suit for for ACER Aspire 5732Z eMachine D525 D725 4732 5332 5334 Gateway NV52 NV53 NV54 NV56 NV58 NV59 NV78 Series AS09A61 AS09A41 AS09C31 AS09C71 AS09C75 AS09A31 AS09A56 AS09A71 AS09A73 AS09A75 AS09A90 AS09A73 Products are tested by manufacturer to match OEM products,100% compatible with original manufacturer equipments and chargers. No memory effect. Up to 500 recharge cycles over the battery lifetime. Operation time ranges from 2~3 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 30 days money back and 18 months warranty, and 24 hours 7 days friendly customer after-sales service.