XTAR MC1 Battery Charger- Single Slot, Black Super small and compact USB powered lithium-ion battery charger Perfect for travel, emergency packs, or anyplace you just might want to have a spare battery charger handy Charging channel fits 10440/14500/14650/16340/17500/17670/18350/18500/18650/18700/22650/25500/26650 battery cells Plugs into most any USB wall adapter Soft start charge avoids battery damage by preventing current surge