Overview: Input: AC 100-240V, 50/60 Hz Output: DC 2.4V AA/AAA:200m A DC 9V:20m A This Charger can charge 2 or 4 AA/AAA battery & 2 pcs of 6F22 (9V) Ni-MH/ Ni-Cd rechargeable batteries. LED will not turn off when batteries are fully charged. Charge for 2pcs of batteries in series. It can not charger single battery. The constant current & voltage keep the battery longer using life. Power by cable & the cable is about 120cm in length. Allowing you to charge your batteries more conveniently. Specification: Product Weight Approx:66.5g Product Size Approx:10 x 6.7 x 3