Specification: Battery type: Li-ion. Color: Black. Voltage: 15.2V. Capacity: 64Wh. New from Manufacturer. Up to 500 recharge cycles over the life of the battery Replace Part Number: B41N1341 0B200-00960000 Compatible Models: Replacement for ASUS Q502L Q502LA Q502LA-BBI5T12 Q502LA-BBI5T14 Q502LA-BBI5T15 Q502LA-BSI5T14 Series Security: All ZTHY products are Certified by CE, UL for safety. Strict guidelines for compatibility, and standards compliance for environment safety Note: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery