The Energizer Rechargeable Battery Charger (Recharge Value) is a convenient and efficient solution for keeping your AA and AAA NiMH batteries powered up. Capable of charging either 2 or 4 AA or AAA batteries at a time, this charger comes with 4 pre-included AA rechargeable batteries for immediate use. It delivers a full charge in just 5 hours, although charging times may vary depending on the specific NiMH battery. The large LED screen allows for easy monitoring of the charge status, while the automatic safety shut-off feature ensures that charging stops when complete, preventing overcharging. With a built-in, fold-out plug, this compact charger is easy to store when not in use, making it perfect for home or travel.