Pre-charged batteries can be used straight from the pack, with excellent high and low drain performance. The Energizer Universal is the ideal choice for all devices that you use regularly. The battery can be charged many times as compared to batteries and thus protects the environment and your wallet.Use the durable Energizer Rechargeable Universal batteries for your family's daily energy needs. The batteries are charged and delivered immediately ready for use. Each Energizer Rechargeable Universal AAA battery can be charged and used up to 1,000 times. The load is retained for up to 12 months when stored. Charge your batteries with any Energizer charger to charge your everyday devices, such as Toys, remote controls and watches, to provide long-term energy. The Energizer Power Plus AAA Battery is a rechargeable NiMH battery that holds 500mAh battery capacity. It can be used in any portable device that requires consistent battery performance.