Feature:Brand new and high quality.Can charge 1-2 AA / AAA Ni-MH Ni-Cd rechargeable batteries.LED indicator shows the charging status, power-on hidden indicator will flash, connect the battery red light to start charging, the battery full light goes out, stop chargingCharging under IC control, - Intelligent cut-off fast charge mode, and then into the trickle stateCharging at constant voltage and currentOvercharge and short circuit protection, activation of low voltage battery (≥ 0.5V) and reverse polarity detectionNon-rechargeable battery smart judge, after testing the battery characteristics to stop chargingUSB input through the DC interface, the operating voltage of 5V-1ASpecification:Input Interface:USBInput: DC 5V 1AOutput: DC 1.2V 600mA            AA 220mA * 1 AA 220mA * 2            AAA 220mA * 1 AAA 220mA * 2Size: 105 x 35 x 20mmPackage Included:1 x USB ChargerNO Retail Box. Packed Safely in Bubble Bag.