VRK X2 Pro 2 Battery Charger brings a plethora of features to a battery charger that every vaper will want to own. The charger instantly recognizes when a battery is inserted into the high-grade military springs, and the LED blinking light shows the charging level of each battery at 30%, 80%, and 100%!. The temperature control features ensures no battery overheats, as well as keeping the batteries cool for safe charging. Enjoy peace of mind as you use this two slot charger and watch as your drained batteries regain their maximum potency! Compatible batteries types: IMR, Li-on, Ni-HM and Ni-Cd Product Includes 1x VRK X2 Pro Charger 1x 120v power cable 1x Manual Product Features: 2 Bay LED display Automatically adjusts discharge current to charge different size battery Automatically stops when fully changed DC 12v Input option Output 4×0.5A/1A 2x2A