Which is better duracell or energizer? Energizer batteries contain fewer toxic chemicals and dangerous metals than Duracell batteries. Duracell batteries are better in terms of safety, because Energizer batteries tend to leak acid days or weeks after expiring, while Duracell batteries may take months to begin leaking.Which lasts longer energizer or duracell? This is surprising because Energizer has a higher mAh rating, which implies that the battery should last longer. These tests found that, on average, Duracell’s batteries will last about five to six hours before dying, but Energizer only lasts about three to four hours.Are duracell batteries rechargable? Duracell AA Batteries: The Duracell Rechargeable Double A battery is designed for use in video game controllers, wireless electronics, baby monitors, and more. Rechargeable Batteries: These powerful NiMH batteries work in any NiMH charger and you can recharge them up to 400 times, helping save you money.What kind of batteries are duracell? Duracell also manufactures specialty batteries, including NiMH rechargeable batteries and batteries for cameras, watches, hearing aids, etc. Their two main battery brands are "CopperTop (Plus)," marketed as longer-lasting, and "Ultra," directed mainly at users of digital devices and devices that need more power.