You may want to give this a good read before you go and and buy one of those cheap genny's:
Observations on the quality of power produced by various backup devices
For those that want the short story:
Output from a Honda Generator:
Output from a cheap generator:
What does it mean? Well basically anything you plug into it that has a circuit board will get degraded over time. If you're going to use this generator stick to plugging in your kettle or $50.00 disposable microwave.