The Jupio Nikon Battery Pack MD-D14 is a battery pack from Jupio for the Nikon D600 or D610 DSLR. The grip is provided with a shutter release button, an AE / AF lock button, a multi selector and a main and secondary command dial. The sub-command dial and additional shutter release button provide improved and more comfortable operation when taking photos in portrait mode. The grip can be powered by six AA batteries or one EN-EL15 rechargeable Li-ion battery. You need two batteries in total. There is also one in the camera. Characteristics Provides you with an extra good grip on your camera body Provided with an additional release button for in portrait mode Also to be fed with six optional AA batteries Compatibility for Cameras Nikon D600 Nikon D610