single battery wall plug charger, adjustable to fit batteries 18350 to 18650 sized.
Simple light tell you when unit is charged, or needs charging. Red Light means needs a charge, the green light means fully charged. These chargers push just under .7 amps, so it may take a little longer to charge the battery, but that also means a longer lasting battery life for the actual battery itself. You wouldnt want your heart to skip a beat, would you?