My last trip to India I took along a Black and Decker travel kettle. It was a little more expensive than the general group of kettles, but it was dual voltage (110/220), was very very light, and included stackable travel cups and stirrers.
Often, having a cup is as important as a kettle, and the stirrers were much better than using a hotel pen.
It was perfect for coffee, tea, and filling the sink with hot water for shaving.
All that is necessary for the triumph of evil is that good men do nothing.