Features and Benefits: 12/24 volt DC MOBILE Charger for Lincoln 20-volt Lithium Ion battery (model 1871) Provides the flexibility and convenience of charging while out of the shop in the field at the lube site or between jobs For use in vehicles and heavy equipment with 12 or 24 volt accessory outlets Automatically recognizes input voltage Automatic trickle charge maintenance mode Charging system identifies damaged or shorted batteries Internal circuit protection CE approved and RoHS compliant