Battery typeLi-ion.
Voltage: 7.5V.
Capacity: 38.2W h 5087mAh. ^^ Compatible Part NumberDYNR01 G3HTA027H. ^^ Replacement For LaptopMicrosoft Surface Pro 4 1724 12.3 inch 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.