Battery Type:Li-ionVoltage: 7.57VCapacity: 60.8Wh / 8030mAhG3HTA001H Microsoft Surface Book 1st Gen Model 1785 Keyboard Battery$140.00PriceQuantity*Add to CartFITS MODELMicrosoft Surface Book 1st Gen Model 1785 Keyboard BRAND MICROSOFTSHIPPING INFO FREE EXPRESS SHIPPINGWARRANTY 12 MONTH