Battery grip

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Canon EOS 400D digital SLR camera with attached BG-E3 battery grip.

A battery grip is an accessory for an SLR/DSLR (and occasionally other cameras), which allows the camera to hold multiple batteries to extend the battery life of the camera, and adds a vertical grip with an extra shutter release (and other controls), facilitating the shooting of portrait photography.[1]

It usually attaches to the camera body through the camera's own battery compartment and provides a cassette to hold additional batteries to increase the battery life for the camera. Most battery grips also come with a second cassette allowing the photographer to shoot using multiple AA batteries.

Nikon N80 film SLR camera with attached MB-16 battery grip.

Battery grips are usually designed to fit only one or a few specific camera models, since they must match the body's shape, connectors, and power requirements.


  1. ^ "The Canon Battery Grip". Retrieved 2011-11-20.