Yukon Joe
FRF Addict
You might want to test that device with a window rolled down. What's the difference if it somehow disconnects the battery when it gets too low? You may end up with no power to open the doors. A better solution would be a battery maintainer when you park it for extended periods. There are several brands and they come with quick disconnect plugs, etc. One widely popular brand is, CTEK Multi US 7002 | CTEK Battery ChargersCTEK Battery Chargers
You can find it cheaper than the suggested retail price on the company's Web site.
But will that work of the truck is parked at the airport for a few weeks?
Yukon Joe
www.RUNRAPTORRUN.com