Energizer Rechargeable C Batteries (2 Pack) C Cell Batteries Energizer Universal Rechargeable C Batteries reduce waste and save you money. Made with 7% recycled batteries these C rechargeable batteries use innovative industry-leading technology for a reliable rechargeable C battery. The rechargeable batteries are designed to prevent leaks that can damage your electronics. Use these Energizer rechargeable batteries as long-lasting flashlight batteries or in a portable radio or other battery-powered items. These Energizer C batteries can be charged in an Energizer battery charger hundreds of times. The C size batteries hold their charge for up to 1 month in storage and the C cell batteries have up to a 3 year battery life with normal use. Each C battery pack contains 2 C batteries. Energizer is the world s number 1 rechargeable brand.