Energizer Advanced E2 AAA RP-2 is the best alkaline battery on the market today. Thanks to its premium quality, it is ideal to keep your devices up and running by providing them long-lasting power. The batteries work best with digital cameras and wireless gaming accessories. All the devices that tend to drain power fast will work longer when you power them with these Energizer Advanced E2 AAA RP-2 batteries. From handheld games to camera flashes, lighting and kids' electronic toys, the batteries are ideal to keep your electronic devices working for much longer than usual.