OM System Power Battery Holder HLD-7 for E-M1 Category_Underwater Housings The StereoVideoMic offers 9V battery

The StereoVideoMic offers 9V battery operation

for instance when photographing street scenes from a distance

Rechargeable L-ion Battery D-LI109 for the K30 & K-r

ZUIKO DIGITAL ED 40-150 mm f4

OM System Power Battery Holder HLD-7 for E-M1 Category_Underwater Housings The StereoVideoMic offers 9V batteryThe 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.