The Switronix PowerBase 70 Battery for Sony A7S/R series attaches on the bottom of the camera as a battery grip using an included mini quick release plate, and connects to the camera via a battery paddle. It consists of a 14.8V, 77Wh lithium ion battery and a regulator block with a battery paddle. The regulator block attaches on the side of the battery when the battery is mounted as a grip.

Two P-Tap outputs are available for powering 12V accessories and a V-mount adapter on the back of the battery allows direct connection to V-mount plates.

Key Features
14.8V, 77Wh lithium ion battery
Attaches on the bottom of the camera as a battery grip using a mini QR plate
Connects to the camera via a battery paddle
The battery paddle is part of a regulator block that attaches to the side of the battery
Two P-Tap outputs for powering 12V accessories
Lower voltage accessories supported via optional XP power regulation cables
V-mount adapter on the back allows direct connection to V-mount plates
1/4"-20 accessory mounting threads on the sides
4-LED power indicator