POPO Quick Swap system is convenient and safe

Written by Matt Ruddick The Deal with Drones Column As seen in the October 2018 issue of Model Aviation. When I first began building quadcopters, a few key things were ingrained into my mind when it came to safety. The first was to not leave batteries to charge unattended. The second was to use a multimeter before powering up the first time. And the third was to always remove the propellers when working on the bench. I want to focus on that last piece of advice for a moment because I have seen many posts on the internet made by pilots who chose to skip that part and ended…