B&H offers Vello BG-S3 Battery Grip for Sony Alpha A7 II, A7S II & A7R II – 3 Custom Buttons in $49.95 with FREE shipping.
Product Features:
- Comfort and Control in Vertical Position
- Holds One or Two Sony NP-FW50 Batteries
- Extends Shooting Time
- Vertical Shutter Release, Control Dials
- Three Custom Buttons