Battery Type:Li-ionVoltage:7.5VCapacity:6800mAhG3HTA024H G3HTA021H G3HTA023H Battery For Microsoft Surface Book 1 1703 1704$90.00PriceOut of StockFITS MODELMicrosoft Surface Book 1 1703 13.5 inch (Keyboard Battery) Microsoft Surface Book 1 1704 13.5 inch (Keyboard Battery) Microsoft Surface Book 1 1705 13.5 inch (Keyboard Battery BRAND MICROSOFTSHIPPING INFO FREE EXPRESS SHIPPINGWARRANTY 12 MONTH