Charger but also just an APC with the management. So far I've got two solutions: DC and APC. I'd rather avoid another model or method to monitor.
Should I just load up on some decent size wet cell and wire them up? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Jan 20, 2015 3:32 PM, "Ken Hohhof" <[email protected]> wrote: > I don’t have specific numbers for you, but I have observed that family > gets pretty inefficient if you run it way below rated capacity. You seem > to hit a wall as you drop the load, like 200 watts for 4 hours, 100 watts > for 4 hours, 50 watts for 4 hours, no watts for 4 hours. Especially if you > are trying to push the runtime out to days. > > Any reason you are using a 2200 VA unit for only 70W? Instead of, say, a > 700 VA unit? Wanting the faster charger? > > > *From:* Josh Luthman <[email protected]> > *Sent:* Tuesday, January 20, 2015 2:14 PM > *To:* [email protected] > *Subject:* [AFMUG] Bigger batteries for Smart UPS > > I'm getting a bigger unit - SmartUPS XL 2200 - and I'm looking at > batteries. I have an Interstate Batteries and Batteries Plus near me so > I'd like to go with either of them. > > This will be indoors. I'm aiming to get 280 watt hours (70 watts, 4 > hours) of run time. Is there any idea as to the inefficiency of the whole > AC/DC/AC/DC process? > > What type of battery would be best? Should I look for 12/24/48v batteries > or does it matter (besides having to connect them in series)? > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 >
