VEVOR Diesel Heater, 8KW, DC 12V/24V, All in One Portable Diesel Air Heater with Remote Control and LCD Display, Fast Heating Low Noise, 5 L Fuel Tank for Vehicles, RVs, Vans, Tractors and Trucks

Yes, you will need a 12V (or 24V) DC external power source—such as a 12V deep-cycle leisure battery, vehicle battery, or portable power station capable of handling 10–12 amps during glow plug startup—to power the internal electronics, fan, and fuel pump while fishing and camping. If this answer does not resolve your current issue, please contact us again for assistance.