Associated 6012 Pro Fast 6/12 Volt 70/60 Amp Fast Battery Charger. UL and cUL tested safe for indoor and outdoor use, "Safe In Any Weather." This charger has a high cranking assist of 250 amps to better start vehicles and offers a UL continouse rating of 70/60 for peak performance. Features a timer and 400 amp fully insulated clamps on twin extruded DC leads, for tangle free operation. 400 Amp spring clamps. 5 limited warranty on transformer and rectifier. Heavy-duty chrome plated handle. Fan cooled. Made in the USA. Specifications: Voltages: 6/12. UL Continuous ratings: 70/60 Amp. MFG's boost: 500 Amp. UL cranking assist rating: 250 Amp. AC Power cord: 6' (16-3 wire). DC leads: 6-1/2' (6-1/2 AWG). Weight: 48 lbs.