Official Asus 10.8V 56Wh G551 G58JM G771 Series Laptop Battery (Part#: A32N1405) Battery Type: Li-ion Voltage: 10.8V Capacity: 56 Wh Part Number: A32N1405 Compatible: G551, G551J, G551JK, G551JM, G58JM, G771, G771J, G771JK, G771JM, G771JW, ROG G551, ROG G551J, ROG G551JK, ROG G551JM, ROG G771, ROG G771J, ROG G771JK, ROG G771JM, ROG G771JW