I can tell you that most carriers have neither type, at least in the US. Shane
On Tue, Feb 18, 2020, 1:18 PM Stephen Satchell <l...@satchell.net> wrote: > There is power backup and then there is power backup. > > The former is a small power pack (batteries, supercapacitors, whatever) > that will allow the microcell to weather a short blackout or brownout. > We are talking seconds, to bridge switching transits. To be useful in a > deployment, such a holdover battery needs to be very low maintenance. > (Think about cars that use supercapacitors as a battery replacement -- > good for short needs like a single engine start.) > > The latter is longer-life power to keep the microcell going for days or > weeks. It's debatable whether this is mandatory. >