“...half a million telecom towers and most of them have battery backups that last around 30 minutes to run the mobile antennas. “
Not even on a good day...
Oh Boy...this is GRRRREAT!
It’s hard to believe they are that ill prepared.
https://www.nrel.gov/docs/fy09osti/44520.pdf
In the 2009 mid-South (USA) ice storm our area never lost cell service (Verizon), despite power off for days at a minimum. AT&T customers did, but IIRC there was actual physical damage at some key facility.
Further discussion, including from people in the biz:
https://www.quora.com/How-many-hours-of-back-up-power-does-a-mobile-cell-tower-have
I rate this thread as either Russki disinformation or abject negligence by the Euros. I have a buddy (EE) in Switzerland who would be well positioned to know, and I’ll try to contact him.