Nauticam External Battery Pack for Sony a7 II, a7R II, & a7S II Cameras
This 5200mAH battery pack provides an approximate 3-4 hours of extended battery life on the Sony A7R II & A7S II series cameras and is compatible with the Nauticam A7II housing. The battery pack fits just above the camera's electronic viewfinder and therefore cannot be used in combination with the camera's flash attachment or Nauticam Flash Trigger. This makes the battery pack an ideal choice for dedicated video shooters.
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