Tyfy handy camera battery charger (AA/AAA) Input: 100-240V AC, 50/60HZ Output: 1.2V DC 360mA AA 180mAx1 AA 180mAx2 AAA 180mAx1 AAA 180mAx2 Main Feature: The Charger can charge 1-2pcs AA/AAA Ni-MH or Ni-Cd rechargeable battery There are two LEDs near the polarity showing the charging process of AA and AAA. The LED near the positive shows the charging situation of the left charging slot, the negative one shows the left one. It will not turn off when the batteries are fully charged. Constant charging current and voltage keep the battery longer using life.