Welcome to the Wirecutter, a list of the best technology to buy as determined by dozens of hours of research and testing. Here is an explanation of exactly what we do and how to support our work.
Best USB Battery Pack for Travel
The ~$30 IntoCircuit Power Castle 11200mAh is the USB battery bank that most travelers should carry in their bags. We had a former NASA engineer spend nearly 245 hours testing to find the Power Castle held the most charge per dollar, plus it offers a better user experience than the competition.