The immersion heater is a practical and handy device for heating small amounts of water in the office, at home, or while traveling. Immersion heaters are perfect for quickly heating the required amount of water in a cup, teapot, heat-resistant glass, or any other container directly to the desired temperature. An immersion heater is particularly convenient for travel, as its slim design and lightweight make it fit into even the smallest bag. Therefore, a travel immersion heater is a perfect alternative to a kettle or other bulky and heavy water heating devices. Since the heating element is directly in the water, its operation is very efficient and energy-saving. Using an immersion heater results in very little heat loss, providing an efficiency of up to 98%. All our standard immersion heaters come with a built-in fuse for user protection.