One should know that you will never find 2 generators that are the same even when they have the same engine or construction. However, there is a checklist of things that you should look out for when looking a portable generator. These include portability, wattage, noise levels, size and starter. Find out more about this at http://www.huffingtonpost.com/news/generator/. The portability of the generator not only includes the size but also the design. The handles should make the grip comfortable and the wheels larger to help in moving around. When buying a portable generator, 2 things come up including peak wattage and continuous wattage. Continuous wattage is the power that a device draws during normal run otherwise; it is called the peak wattage. Therefore, choose a generator with a continuous wattage for most of the devices you want to operate.
You should be aware that most portable generators at http://generatoradvisor.com make just as much as the stationary ones. However, the ones with higher horsepower will make more noise. This is because they use gasoline to operate. Choose one with spark arresters though if you will going camping to prevent fire hazards. You are advised to buy a smaller generator if you are planning to move it around, but if the backup power is for your house, a larger generator set will serve you better.
There are 2 ways of starting the portable generator namely electric start and recoil start. You can read more about it in these portable generator reviews. For recoil starting, one will need to pull a cord that is dragged on to kick start the motor, similar to a lawn mower. The mechanism for recoil starting that is easy to operate is the best however; if the generator is cheap it might not only rely on the pull cord to power up. Electric starts on the other hand, power from an auxiliary battery source. These usually have a push button or a key that turns which are simpler to use but the batteries will need to be in good condition.