Olympus HLD-7 Power Battery Holder for E-M1

The HLD-7 Power Battery Holder is a dustproof and splashproof power battery holder that can enable the capture of approximately 680 shots (based on CIPA tests) between charges. It features a shutter button for shooting with the camera held vertically and two control dials and two function buttons for the same easy controls as when shooting from a horizontal position.  Dimensions (combined): 4.7 x 1.9 x 1.6 in. (119.2 x 48.9 x 41.4 mm) Weight: 7.9 oz. (225 g) Item #V328140BU000