Having spare batteries to run your camera has some major advantages. If you are planning to go on a live-aboard dive trip they are amust. Keep shooting with freshly charged spare batteries and experience no down time between shoots, because you have to wait for your battery to be quick charged. This is a spare rechargeable lithium-ion battery for Sea & Sea DX-1200HD and DX-860G cameras. So keep on shooting and never miss that special moment underwater with freshly charged spare batteries.