Remember that popups can be a distracting to limit their frequency below.
Wing Aero, Inc.
The MyGoFlight MGF-ACC-1078 Rapid Charger Dual Micro 28V is a great accessory for any USB Smart Phones or GPS ADS-B Receivers.
Just keep the DualMicro in your flight bag and you will always have all of the power that you need when you need it. Works with all tablets, ADS-B receivers, GPS units, iPhones, smartphones and any other USB powered device. NOTE: For 12-35 volt DC systems.
MyGoFlight Rapid Charger Dual Micro 28V For Any USB Smart Phones GPS ADS-B Rcvr