Remind travelers that electronics are not foolproof; often they are limited by battery power, deep canyons, dense cloud cover, government restrictions, and physical damage caused by extreme temperatures, impact, or water exposure.
Remind travelers that electronics are not foolproof; often they are limited by battery power, deep canyons, dense cloud cover, government restrictions, and physical damage caused by extreme temperatures, impact, or water exposure. A backup external battery and external power source (e.g., a solar or dynamo charger) are useful.