1, portable gas oven: This oven uses gas as energy, can be carried at any time, and is suitable for outdoor use. You can choose a small portable gas stove, connect it to a gas tank, light it with an ignition device, and place sausages for cooking. This way is convenient and quick, suitable for outdoor activities and camping.

2. Battery power supply: battery power supply can be considered. You can bring a battery that can provide enough power and an inverter suitable for the sausage roaster. Connect the sausage roaster to the inverter, and then connect the inverter to the battery, so that the sausage roaster can be powered by the battery. In this way, sufficient battery power should be prepared in advance, which is suitable for short-term outdoor cooking.

3. Manual sausage roaster: You can use the manual sausage roaster. This kind of oven needs manual rotation, which can satisfy the basic sausage roasting.