The SIP Fireball 515 Cordless Propane Heater is a heavy-duty 18v battery-powered model designed specifically for mobility and efficiency, without compromising the powerful heating output. • 230v (13A) input supply • 51,182BTU/hr (15kW) heating output • 345m³ (12,181ft³) approximate heating area • 18v DC 5.2AH cordless battery-powered heater • No mains supply required, lightweight, and mobile, making it perfect for on-site usage and workshops • Includes gas hose, gas regulator, battery and battery charger, with replacement battery sold separately • Heavy-duty painted finish for high durability • 8hrs approximate runtime on a single charge • Integrated heater safety grille • Fully ErP-compliant.