VEVOR Diesel Heater, 8KW, DC 12V, All in One Portable Diesel Air Heater with Bluetooth APP Control, Remote Control and LCD Screen, 1.2 Gal Fuel Tank for Vehicles, Vans, RVs, Campers, and Garages

Questa stufa non ha una batteria integrata.

If it's 8KW, it would cost around 27,000, but in reality, most are 4-5000KW, which is around 15,000. 8000 × 3.412 = 27296

You can set the constant temperature mode on the switch.

Accessories: 1x Exhaust Pipe 1xRotary Air Outlet 1x Air Outlet Duct 1x Power Cord 1x Remote Control 1x Silencer (1xL-Shaped 1x User Manual Bracket,2 x Screws) 1x Foldable Funnel 1x Quick-Connect 1x Pair of Gloves Fitting for AirOutlet 1xFuel Line 1xLCD Switch

The standard voltage of this product is 12V, and the starting current is 11A. The normal current is 3A.