Eneloop has set a new standard for rechargeable batteries and their rapidly growing brand is constantly improving. Eneloop batteries work right out of the package and will hold 75% of their charge for up to 3 years. Eneloop batteries can be recharged at least 1,500 times throughout their long lifespan - this will help the environment and your bank account. One Eneloop battery can take the place of 1,500 standard alkaline batteries in landfills throughout the world. The convenience and money saving benefits of Eneloop rechargeable batteries cannot be ignored, if you're thinking of making the switch to rechargeable batteries in your portable devices, Eneloop is the way to go.