Give your devices the long-lasting power and performance you expect with Duracell Optimum batteries. Our best-performing AAA battery is optimized for the demands of modern, high-end devices you use every day. With up to 100% Extra Life* or Extra Power**, comfortably use your electronics knowing they're running at peak performance. Whether your kids are playing with RC cars, or you're bingeing another season with your remote control, make sure it's with Duracell Optimum batteries.