This Sony battery charger is perfect for all your high drain devices. It is compatible with both AA and AAA battery sizes and has a battery capacity of 4. The charger has a voltage of 4.8V and is made by Sony. It is a great addition to your collection of battery chargers. The chemical composition of the batteries is NiMH and it comes with a custom bundle of No. This product does not contain any California Prop 65 Warning and it is not covered by a manufacturer warranty. The model number is BC-CS2A and it was manufactured in China. The application of this battery charger is for high drain devices.