If I understand correctly, all cell towers in the US are in fact supposed to have at least 8 hours of backup power. Here's the FCC ruling: http://www.njslom.or

If I understand correctly, all cell towers in the US are in fact supposed to have at least 8 hours of backup power. Here's the FCC ruling: http://www.njslom.org/FCC-07-177A1.pdf http://www.njslom.org/FCC-07-177A1.pdf (page 23)