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.

A rechargeable heater is a portable electric heating device that comes with a built-in rechargeable battery, typically charged through a USB cable, dedicated charger, or other charging methods. The design of this heater allows users to enjoy a warm environment even in the absence of a stable power supply, such as during outdoor camping, travel, or power outages.