Somewhat off topic...
For some time, I've been meaning to get a small UPS to power my router,
laptop, and other electronics in case of an emergency. Well, our power
will be off monday for utility work and so I bought a small UPS. But,
I'm disappointed with it.
The spec claims it has 1080 joules, which would be 0.3wh. That's
obviously not true, so I don't know what that number is supposed to
mean. However, its display says it has a load around 60w and that it
should sustain for 96 minutes. That would be around 100wh. I would like
something that can last a day or two, not an hour. (I can turn off my
external display and probably cut the load in half, but still...)
My thought is to buy a 12v deep cycle battery and hook up a charger, an
inverter, and contactor to switch from wall to battery. I'm pretty sure
there are products which do all that but I haven't found any yet.
Does anyone have a suggestion ?
Peri
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