Originally Posted by tcl

For short trips and if I'm traveling solo, then my immersion heater is usually stashed somewhere in my bag along with cup or travel mug. For longer trips, if I'm traveling with a buddy or if having hot water is essential to my day then I bring a small dual-voltage travel kettle such as the Kenwood dual-voltage kettle, the Austin House dual-voltage kettle or even my Sanyo dual-voltage cooker. Overall my favourites in terms of ease of use are my small travel kettles mentioned above. The Sanyo cooker is nice when you need to cook something as well and don't want any leftover flavours making their way into your tea.