Specifications: Model: ULINOV3 Brand: Ultralast Input: 120 V ~ 60hz Output: 6V 500 mA Charge Times: AA 2100 - 2900 mAh -> 4 - 5 hours AAA 700 - 1200 mAh -> 1.5 - 3 hours Features: Charges 2 or 4 AA & AAA batteries at a time Charges NiMH or NiCd batteries Negative delta V cut-off detection Smart Charger with Intelligent Microprocessor Controlled Technology Short Circuit Protection Safety timer control for overcharge protection Protects against reverse-polarity LED Red Flashing for Charging - LED Red Solid for Ready Charger may used as a Power Source to charge certain electronic device