Energizer Recharge Universal Rechargeable D Batteries save money and reduce your impact on the environment. Made with 7% recycled batteries, these D rechargeable batteries use innovative, industry-leading technology to provide lasting chargeable batteries. The rechargeable D battery is designed to prevent leaks that can damage your electronics. Use these Energizer rechargeable batteries as long-lasting flashlight batteries and in other battery-powered items. These Energizer D batteries can be charged in an Energizer battery charger hundreds of times. The D size batteries hold the charge for up to 1 month in storage, and the D cell batteries have up to a 3 year battery life with normal use. Energizer is the world's number 1 recharge brand.