CHARGING TIME: For AAA 1000mAh = approx. 3h; For AA 2500mAh = approx., 3h45min. TOP PICKS BUYING GUIDE Selecting the best NiMH (Nickel-Metal Hydride) battery charger is crucial as it ensures your rechargeable batteries are effectively and safely charged for long-term use. Here's what you need to consider when buying a NiMH battery charger: 1. Compatibility and Versatility:Check that the charger is specifically compatible with NiMH batteries, as using LATEST TECHNOLOGY: With the latest Perfect 7 technology, this battery charger consists of multiple elements including Rapid capacity testing, gentle pre-charging, rechargeable battery analysis, rapid charge mode, IQ shutdown, Top-off charging and Trickle charging The simple 3-colour LED display makes it easy to read the individual cell status Eneloop AA Rechargeable Batteries with charger (4 pack Rapid charge mode. The new Comfort Smart from Ansmann charges your compatible NiMH rechargeable batteries with up to 800 mA in a rapid and controlled process TRAVEL FRIENDLY: The compact design of this charger makes it perfect for traveling with. The charger can also be connected via other USB ports including the car Output AAA: 400mA, AA: 800mA. Rechargeable Battery Aa Ansmann Battery Charger With 2x AA Batteries 2100 MAh ? Automatic Battery Charger With Perfect-7 Charging Technology And Mode ? Comfort Mini Rechargeable Battery Aaa Trickle charge current AAA: 6., 5mA, AA: 13mA., 3 year manufacturer guarantee