----- On Feb 3, 2023, at 9:05 PM, Mark Tinka mark@tinka.africa wrote: > On 2/3/23 21:11, Sabri Berisha wrote:
Hi Mark, >> Living in an area served by PG&E, I've had my share of power cuts. At home >> I have a 600va UPS that protects my cable modem, RPI router, and POE switch >> which serves 2 APs. That lasts about 30 minutes, which gives me enough time >> to fire up my generator. > > I'd assume it doesn't take you that long to fire up the genie, if you > are home when the power goes out :-). Yes, there have been times where I wasn't at home. > Out of interest, depending on how long you've had the UPS, how many > times have you changed the battery? All the "small" ones, I bought in 2019, they still work fine. I have one larger UPS for my homelab in my garage that I've had since 2014; I changed the batteries in that last year. >> Tip of the day: I also have a 1000va UPS that protects my garage door opener. >> This makes it a lot easier to a. get a car out if needed, and b. get my >> generator out of the garage. > > In South Africa, garage door motors historically come standard with a > 12V 7Ah Lead Acid battery. What most people don't realize is that within > 1.5 to 2 years, those batteries are dead, and since there was power most > of the time, they never noticed, until the power went out and the > battery did not have sufficient energy to drive the motor. Those must be different from ours, because we don't have that... >> So far, my current ISP (Spectrum cable) has had 0 outages as a result of >> power loss. Which is pretty impressive, given the instability of the grid >> in this area. > > Not bad. Pretty impressive. How do they do that in SA? Thanks, Sabri
