Keep Plenty of Power on Hand Energizer, the leader in rechargeable technology, offers a complete line of high capacity batteries and technologically advanced chargers to fit any lifestyle. You can charge batteries in as quickly as 15 minutes, or even conveniently charge them while driving your car. And when you keep two sets of Energizer Rechargeable batteries, you'll always have power on hand when you need it. Ideal for High-Drain Devices Energizer Rechargeable batteries are engineered to work with your most advanced, high-drain devices such as digital cameras, PDAs, hand-held games, portable CD players and MP3 players. And since they're renewable and reusable, Energizer Rechargeable batteries work hard for you.