Camelion Lithium photo battery line is specifically designed to provide a reliable power source for all photo applications including exposure control, shutter release, photoflash and film rewind. Size: 2CR5 is equivalent to 2 precombined 4/5A batteries 6 volts; 1600mAh Dimensions: 1.339" diameter x 1.772" height High capacity for a long battery life High drain capability for rapid flash re-cycle times Up to 10-year shelf life Also Known As: 23-178, 23-266, 245, 245AA, 2CR5, 2CR5M, 2CR5R, 2R5, 5032GC, 5032LC, 6203, 645, AFL-240, AFL-240R, DL245, DL2CR5, DL345, DL345A, EL2CR5, EL2CR5BP, EOS 1V, KL2CR5, KL2CR5-1, PR2CR5, RL2CR5, RL2CR5-1, XLDL223AB, XLDL245B.