Sony VG-C1EM Vertical Battery Grip for Alpha a7/a7R/a7S Digital Camera (Black) Kit Includes 2 Replacement FW-50 Batteries + Travel Charger + Microfiber Cleaning Cloth Comfort and Control in Vertical Position; Holds 1-2 NP-FW50 Batteries Extends Shooting Time; Switch Battery without Turning off a7/7R Shutter Button; Auto Exposure Lock Front/Back Control Dials Protection Against Dust and Moisture