You just set up your equipment for the first dive of your vacation in Saint Somewhere, you start to test the function of your battery operated gear and your camera's LCD won't function. The worst thing that can happen on a tropical vacation has just happen No Dive Camera. Avoid paying "island prices" for AA batteries that don't hold up. This Ni-MH Rechargeable battery is perfect for the world traveler who needs affordable power instantly! The batteries are rechargeable Always have a fresh set of batteries ready to go.