Portable camping stoves are typically designed to be used over a flame, such as a propane or butane flame. These stoves use burners or heating elements that generate heat through combustion of fuel to cook food or boil water. They are commonly fueled by small canisters of gas or liquid fuel, and their compact and lightweight design makes them suitable for outdoor activities like camping.
On the other hand, electric stoves, including those found in households or powered by batteries, are generally not considered portable camping stoves. Electric stoves rely on electrical power to generate heat through electric coils or induction elements. They require a stable and reliable source of electricity, which is often not available when camping in remote locations or areas without electrical infrastructure.
Microwaves, as you mentioned, are also not commonly used as portable camping stoves. Microwaves work by emitting electromagnetic waves that generate heat by interacting with the water molecules in food. They require a dedicated power source, usually electricity, and are not designed for outdoor use or mobility.
In summary, the majority of portable camping stoves are intended for use over a flame, utilizing combustion-based heat sources such as propane, butane, or liquid fuels. Electric stoves and microwaves are typically not considered portable camping stoves due to their reliance on electricity and lack of practicality for outdoor settings.