Simply remove AA battery pack on the J-1415 or J-1422 and install the J Camera D Pack to allow your J camera to operate on 6 D Cell batteries. When powering your J Series camera with the J Camera D Battery Pack you will more than double your battery life versus AA batteries which results in lower operating costs. The J Camera D Battery Pack can also be powered by NiMH D rechargeable batteries (batteries not included). CuddePower Solar Panel can be used to charge the NiMH D rechargeable batteries as well (Solar Panel and D NiMH batteries sold separately).