Battery typeLi-ion.
Voltage: 15.2V.
Capacity: 64Wh 4280mAh. ^^ Compatible Part NumberBTY-M57. ^^ Replacement For LaptopMSI GP66 GP76 Leopard 10UE 10UG 10UH 11UE 11UG 11UH MSI Vector GP66 GP76 12UE 12UG 12UGS 12UH Series. ^^ ConnectorBefore placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences, such as size, cable length, interface, etc. ^^ Use SkillsIf 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 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.