Specifications::
1. Battery Type: Replacement Battery
2. Type: li-ion
3.Voltage: 7.4V
4.Capacity: 4120mAh/31.5Wh
5.Color: BLACK
6.Warranty:  3 months
Compatible with part number: (This is not a comprehensive list. Pls be free to contact us if you have any questions.)
Microsoft Surface RT 1516 Series 7.4V 31.5Wh 4260mAh Battery Pack X865745-002