A household heater is an electrical device that converts electrical energy into thermal energy for indoor or object heating. They are widely used in winter heating, heating water, drying clothes, and other fields. Electric heater is the most common type of heater, which heats indoor air through heating wires to achieve the purpose of heating up. But electric heaters have a high power output, so safety precautions should be taken when using them.

Rechargeable heater, due to its built-in rechargeable battery and compact design, users can easily carry the heater wherever they need it. Not only can it be used outdoors, but it can also be used in indoor environments such as offices, bedrooms, etc., providing warmth for the cold season. Modern rechargeable heaters typically have safety features such as overheat protection and tipping off to ensure the safety of users during use.