Typical last mile battery runtime (protecting against power cuts)

Mark Tinka mark at tinka.africa
Sat Feb 4 05:34:14 UTC 2023

On 2/4/23 07:29, William Herrin wrote:

> If it's just a little gasoline generator, 30 minutes is about right.
> It takes 10 minutes to decide the power isn't coming back soon and
> another 10 to drag the generator out of the shed, hook up the wires
> and get it going even though it's cold, wet, and hasn't been run for
> several months. That leaves 10 minutes to spare figuring out how to
> convince the UPS that the generator power is good enough to retransfer
> and stay.

Indeed - I was guessing given how reliable PG&E have been for Sabri, a 
lot is probably pre-wired. I may be wrong.


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