Hi there! I have never used a portable nebulizer but I know there are some here that have and like them quite a bit. That said, it is important to research the particular brand you are considering, to make sure the battery life is appropriate for your lifestyle and the reviews are good ... do a lot of comparison shopping before you decide. It might also be useful to see if your doctor or respiratory therapist recommends something particular. Are you exploring anything specific? You can try searching in our archives in the search bar at the top of this page, or if you need help, myself or one of the other team members can do it. Let us know! Best wishes and happy travels. -Melissa, asthma.net team