Trustfire Smart Charger Can Charge for 26650 /18650 Li-ion Batteries Smart charger can charge for 26650 /18650 Li-ion batteries, two at a time LED indication for Power On / Charging / Full charge Input: AC100v-240v 50-60Hz (international charger, can be used worldwide) Output: DC 4.2V 1000mA Measurement: 110 x 60 x 33 mm(L*W*H)