inerlogic
NES Member
No. Just get the real ammo cans and use the hair dryer trick.
SHTF/TinFoil Bonus info: if you throw your cell phone into a military ammo can it will block your phones cell and GPS signal along with remote turn on functionality.
and drain the battery quicker as the phone will continue to search for service by actively pinging..... power down or pull the battery before locking it in the ammo can....