New MaximalpowerIntelligent Battery Charger. USA Based brand with Warranty and Customer Service. Battery charger for NiCad and NiMH AA and AAA rechargeable batteries. Features 4 function modes: charge, discharge, refresh, and test. 4 charging currents: 200mA, 500mA, 700mA, 1000mA. 4 separate LCD displays for simultaneous readouts. Charges both AA & AAA rechargeable batteries simultaneously. Overheat-detection to prevent over-charging. Bad battery and -dV detection. Separate USB output port at 5V/1A Quantity: 1 SKU#1513 Charging Mode - A variety of charging current: 200mA/500mA/700mA/1000mA Discharging Mode - To discharge a rechargeable battery, then charge it to help prevent a memory effect. Refresh Mode - To refresh a rechargeable battery to its maximum capacity by charging and discharging the battery repeatedly until no further increase in the capacity is estimated. Test Mode - To check the a rechargeable battery's capacity in mAh/Ah format. Current (mA) Voltage (mV) Time (hh:mm) Capacity (mAh or Ah) One (1) Charger One (1) AC Adapter Cord One (1) Instruction Manual Accessory only, batteries NOT included. For a success and safe charge to your battery, please make sure to line up the correct polarity (positive / negative) before inserting the battery onto the charger.