"Extra power when you need it! It's a jump starter and a portable 12-volt power supply from Vector Manufacturing. Perfect accessory for any car, boat or RV. Peace of mind for emergencies, and extra power for cell phone, lights, power tools, depth finder, bilge pump, vacuum and scores of other possibilities. Peak 1200 amp, 12V, 19 amp hour. 12¾ x 11 x 5½”16 lb.Composite.2nds. (Factory remanufactured with warranty.) China."