DEWALT 18 Volt Power Tool Battery Charger Brass Fittings 2 stage trigger requires 2 actions 2 stage trigger requires 2 actions to activate tool 57 lb Series Type QO Trip Unit Electronic Voltage (V) 120 240 V Certifications and Listings UL Listed Manufacturer Warranty Square D warrants its branch circuit breakers to be free from defects in material and workmanship under normal care and proper usage in a residential installation minimizing downtime Automatic shut off protects excessive discharge of vehicle's battery Compatible with Dewalt® Nano™ 18 Volt battery packs Independently certified to applicable standards 2V 18V nicd NiMH Li Ion Dewalt® batteries (except univolt®) from a vehicle's power outlet enabling batteries to be charged while driving to work or on a jobsite Charges the battery in 1 hour or less