Charge Different Battery Types Recharge your batteries efficiently with the Energizer Recharge Universal Battery Charger. It charges all NiMH and NiCad cell sizes, such as AA, AAA, C, D and 9V batteries. Quick Charging Time This Universal rechargeable battery charger finishes charging your batteries in about three to seven hours. Efficient Charging It automatically shuts off when batteries are fully charged. Trickle charge of this Energizer charger AA keeps batteries at full capacity. Charge LED status indicators tell you if batteries are charging or ready. Safety Built-In The Energizer Recharge universal battery charger includes built-in safety timer to prevent overcharge, bad battery detection, short circuit/reverse polarity protection and delta V charging cut off. Power is only on when the lid is closed which gives added security. It’s Energy Star qualified for peace of mind. Product Features Charges NiMH and NiCad batteries in cell sizes AA, AAA, C, D and 9V Universal rechargeable battery charger charges batteries in about 3 to 7 hours Automatically shuts off when batteries are charged Energizer Recharge universal battery charger has a built-in safety timer to prevent overcharge Charge LED status indicators tell you if batteries are charging or ready Universal rechargeable battery charger includes bad battery detection, short circuit/reverse polarity protection and delta-V charging cut-off Help maximize battery performance Ensures a full charge Power is only on when the lid of this Energizer Recharge universal battery charger is closed for added security Energy Star qualified