4 hours of use after only 45 minutes of charging time! A simple, safe, and reliable solution for your daily power needs, this charger can charge 4 AA batteries within 4 hours. Duracell's 5-year warranty, partial charge indicator, and automatic shutdown to prevent overheating, along with nine safety features, ensure safe use and money savings by eliminating disposable batteries. Suitable for charging AA and AAA batteries. Automatic switch-off. 45 minutes recharge for up to 4 hours of use. 9 safety functions. Dimensions: 118 mm x 72 mm x 27 mm.