Super Quick Charger with its unique LCD Battery Indicator allows you to view the status of the battery charging process. The charges comes equipped with an advanced safety functions including alkaline battey detection automatic charge off and built-in temperature controls. It charges up t a AA or AAA Ni-MH batteries. . Capable of charging 1 23 or 4 batteries at a time (four separate charging channels). Can charge up to 4 AA or 4 AAA NiMH Rechargeable Batteries. Totally automatic selectable Refresh (Condition) Function. ** LCD Battery Charge Indicator - shows each battery as it charges - shows charge level at a glance. Worldwide voltage capable - 100V ~ 240V AC 50~60 hZ. Fully capable of Charging all capacities of AA and AAA NiMh rechargeable batteries. Will even charge the higher capacities of the future. Automatic analyzes each battery - to determine battery state prior to charging. Automatic detection of defective batteries. Automatic Charge Level Detection - for termination once your rechargeable batteries are fully charged. Automatic Temperature Monitoring - as your rechargeable batteries charge - prevents heat damage. Automatic Cut-off Safety Timer Feature - Protects your rechargeable batteries from over charging Automatic Alkaline Battery detection - prevents charging of non-rechargeable batteries. Requires NO heavy AC adapter - Power Supply is built into the Sony battery charger. AA Charge Current: 1050mA when charging 2 AA rechargeable Batteries - 525mA with 4 AA Batteries AAA Charge Current: 640mA when charging 2 AAA rechargeable Batteries - 320mA with 4 AAA Batteries Can be used Internationally with any suitable Adapter Plug Protective flip up LID with vents for heat disipation as your rechargeable batteries charge. Input Power: AC 100~240V 50/60Hz 7 Watts