The duration of a butane tank in an emergency camping stove, such as a Coleman stove, depends on several factors, including the size of the butane tank, the heat setting used, and the ambient conditions. Here are some general estimates for the runtime of butane canisters based on common sizes and typical usage:
220g (approximately 8 oz) canister: On a low to medium heat setting, a 220g butane canister can last around 1 to 2 hours of continuous cooking.
450g (approximately 16 oz) canister: With the same low to medium heat setting, a larger 450g butane canister may last around 2 to 4 hours of continuous cooking.
Keep in mind that these estimates are rough averages and can vary based on factors such as the altitude, outside temperature, wind conditions, and how frequently you adjust the heat. Cold temperatures can reduce the efficiency of the canister, leading to a shorter runtime.
If you are planning an extended camping trip or need to rely on the stove for an emergency situation, it's a good idea to bring multiple butane canisters or consider using a stove that can be fueled by other sources as well. Some camping stoves are compatible with both butane and propane, offering more flexibility and longer-lasting fuel options.
Additionally, it's essential to test your stove and familiarize yourself with its performance in various conditions before embarking on your camping trip or relying on it for emergencies. Being prepared and having extra fuel canisters on hand will ensure you have a reliable cooking solution throughout your camping experience.