Old type battery lanterns that use 6 volt batteries, fit an LED bulb and a modern battery for DOZENS of hours bright run time. Oil lanterns, both wick type hurricane lamps and pressure lanterns.
Sometimes, good quality wool blankets.
BTW, the term "thrift store" is very little used here, "charity shop" is pretty much the same thing.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.