The box has been opened to verify the contents. The battery has never been used.
Product Specification:
Battery Type : Li-Polymer
Voltage : 11.38V 
Capacity : 4948mAh / 56.3Wh
Color: Black
Condition : Brand New
 
 
Compatible Part Numbers: 
Microsoft
G3HTA071H, G3HTA072H
 

Compatible Machine Models: 

Microsoft
Surface Laptop Studio 1964 14.4 inch
 
Note:
Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery.