The product is a pack of 40 AA batteries by GP Battery, specifically the GP Extra line that provides 50% more power. These batteries are of the LR6 size and have a voltage of 1.5V, with an alkaline chemical composition. They are suitable for high drain devices, making them ideal for use in various sound and vision applications. The pack offers reliable power for extended periods, making them a practical choice for users seeking consistent performance from their batteries.
eBay