Overview: Input:100-240V AC, 50/60 Hz, 0.1A Max Output:DC 2.85V 600m A (AA/AAA x 2) 600m A (AA/AAA x 4) The Charger can charge 4pcs AA/AAA Ni-MH/ Ni-Cd rechargeable batteries. Voltage control. Constant charging currend & voltage keep the battery longer using life, and make sure the safety in the charging process. Two LEDs show the whole charging process. The corresponding LED will turn on after the batteries loaded in the left or right two charging slots connected with power suply. The LED will turn off after all of the batteries are full charged. The charger would not charge the non-rechargeable or single battery, at the same time, the Led still in off condition. The charger will charge the batteries at trickle charging current 100m A in order to maintain the full capacity condition after the LED turns off. The charger would not charge the batteries if they loaded with wrong polarity. Specification: Product Weight Approx:75g Product Size Approx:10.5 x 7.5 x 3.5