✔ 2KW, 5KW, 8KW Diesel Air Heaters. ???? Heavy-Duty Aluminium Body. Use For: Diesel Air Heater, Parking Heater, LED Strip, CCTV, 12V Car Accessories. Body Material: Aluminium. ⚡ Stable 12V 25A Output. It converts mains electricity into a powerful, stable12V 25A output — perfect for running diesel heaters safely indoors or during testing.