The product is a pack of 16 Rayovac High Energy AA Alkaline Batteries, which are single-use batteries manufactured by Energizer LLC. These batteries are designed for high energy consumption devices and contain alkaline chemical composition. Rayovac is known for producing reliable power solutions for various consumer electronics, making these batteries suitable for a wide range of devices that require AA-size batteries. With this pack, users can conveniently power their devices with long-lasting energy provided by these Rayovac batteries.