SpecificationsBattery Voltage: 7.5V.
Capacity: 38.2W h.
Cells: 2-Cells.
Battery life: Up to 500 recharge cycles over the life of the battery. ^^ Compatible Part NumberDYNR01 G3HTA027H G3HTA026H (Note: There are several different series for Surface tablet, the battery inside is not compatible for each other, please confirm your surface tablet model and then choose the right battery). ^^ Compatible the Modelsfor Microsoft Surface Pro 4 1724 12.3 inch Series.
(NOT FIT: Surface Go 1824, Surface laptop 1/2 1769, Surface Pro3 1631, Surface Pro5 1796, Surface Book 1832. ) ^^ Quality Assurance100% new from manufacturer, every battery has passed factory testing, grade A cells ensure fast charges and low power consumption, built-in circuit protection ensures both safety and stability, guarantee your piece of mind while using the battery or storing it. ^^ Perfect Customer Service24 x 7 email support. Your satisfaction is extremely important to us. If you have any doubts, please click on seller store on right corner ask a question and contact us directly, professional and friendly customer service will be provied for you.