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).