not that this would happen but leaving a portable solar charger out while you're gone, may not be a good idea. similar to leaving a portable generator out.
it may be gone when you get back.
if you mounted it to the roof and everything was inside, then that would be a better idea.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity