Power Supply AK-ND-57 19.5V / 6.7A 130W 7.4 x 5.0 mm + pin
Amazon.co.jp: KinGDO Surface Pro 4 Charger with Carrying Pouch Surface Pro 3 Charger Surface Pro 4 i5 i7 Surface Pro 3 Surface Charger 36W 12V 2.58A Power Supply Compatible Microsoft Surface Pro
Amazon.co.jp: KinGDO Surface Pro 4 Charger with Carrying Pouch Surface Pro 3 Charger Surface Pro 4 i5 i7 Surface Pro 3 Surface Charger 36W 12V 2.58A Power Supply Compatible Microsoft Surface Pro