nanog mailing list archives

Re: Typical last mile battery runtime (protecting against power cuts)


From: Mark Tinka <mark@tinka.africa>
Date: Sun, 5 Feb 2023 00:10:44 +0200



On 2/4/23 23:58, Sabri Berisha wrote:

I'd say I have something in between. I have a WEN GN875i: 
https://www.amazon.com/WEN-GN875i-Transfer-Switch-Ready-8750-Watt-Generator/dp/B08STWSWLH/

That's 7kw rated and 8.75kw peak. More than enough to support my home.

Yeah, plenty of juice.


I previously had one of those smaller 2200 watt generators. The problem
with those is that you're now limited to 1600 watt running, which barely
powers the fridge, lights, internet, and maybe some tv. Our power usually
goes out when it's very warm, so I like some AC.

Makes sense.


Mine is electrical (but not automatic) start, I have to flip the main and
a circuit breaker, which is protected by an interlock switch. Similar to
https://www.amazon.com/Generator-Interlock-Compatible-panels-Professional-Interlocking/dp/B0BN9T9DXT/

The interlock switch ensures that I'm not backfeeding to the grid, and
was necessary to pass inspection.

Usually I have it up and running within 10 minutes. That's how long it
takes for my UPS script to kick in and start shutting down servers.

Awesome!

Thanks for sharing.

Mark.


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