After years and years, smartphones have finally got “fast enough.” They’ve got powerful, yet power-efficient multi-core CPUs, plenty of RAM to work with, and surprisingly good GPUs too. Now that performance is less of a concern, consumers — and phone makers — are getting more interested in things like battery life and charging speed. Bigger batteries help, but so do more advanced technologies like new connectors and faster chargers. That brings us to the Xtorm Power Bank, which is the most advanced portable charging solution I’ve ever seen. Let’s take a look.