LENOGE 10.8V 5.2Ah Li-ion Laptop Battery Replacement for Asus A31-K52 A32-K52 A41-K52 A42-K52 A31-B53 K42 K52 K42D K42DE K42DQ K42DR K42F K42J K42JA K42JB K42JC K42JE K42JK K42JR K42JV K42N ------Battery:li-ion. Voltage:10.8V. Capacity:5200mAh/56WH. Cells: 6 Samsung 18650 cell. ------Operation time ranges from 2.5~3 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. Up to 500 recharge cycles over the battery lifetime. ------Products are tested by manufacturer to match OEM products, CE FCC RoHS certified for safety. 100% compatible with original manufacturer equipments and chargers. No memory effect. Protection of over charged or over discharged. ------30 days money back and 18 months warranty, friendly customer after-sales service. ------Suit for ASUS A32-K52 70-NXM1B2200Z 90-NYX1B1000Y A31-K52 A41-K52 A42-K52 A31-B53 K52L681 A52 series A52F A52J K42 series K42J K52 Series A42 series X42 Series K42 K42D A52 A52F X42 X42D X42DE X42E X42F X52N Pro51 Pro5IJC Pro5IJK Pro5ij Pro51 Pro51sa Pro51S Pro51K Pro51B Pro50vl. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.