We use a 3000XL at our NOC with 4 100Ah 12v AGM in series. We are pulling about 1100 watts (37%). We had a 6 hour outage and it made it through fine. The runtime claims that we have 7.6 hours. I would just use a 700XL if all you are using is 70w.
On Tue, Jan 20, 2015 at 2:41 PM, Ken Hohhof <af...@kwisp.com> wrote: > It looks from the APC runtime graph that you should get 4 hours or > close with the internal battery: > http://www.apc.com/resource/include/techspec_index.cfm?base_sku=SU2200XL > > You should be able to estimate runtime with different batteries from the > information on that page or linked from there. > > > *From:* Josh Luthman <j...@imaginenetworksllc.com> > *Sent:* Tuesday, January 20, 2015 3:30 PM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] Bigger batteries for Smart UPS > > > 70 watt load. I'd like to get 4 hours. 280 watt hours. > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > On Jan 20, 2015 4:25 PM, "Gino Villarini" <g...@aeronetpr.com> wrote: > >> The 2200 is 48vdc iirc, for a 289 watt load It will be inefficient... >> Better off with a 750xl >> >> Gino A. Villarini >> @gvillarini >> >> >> >> On Jan 20, 2015, at 5:17 PM, Ken Hohhof <af...@kwisp.com> wrote: >> >> APC charger is calibrated for AGM, doesn’t flooded require different >> voltages? Maybe I’m wrong about that. Certainly take out the internal AGM >> batteries, you don’t want batteries of different chemistry in parallel. >> I’ve only done it with external AGM, but as far as how you get to the right >> voltage (I forget if 2200 VA is still 24V or that’s the point where they >> started using 48V), I don’t think it matters if you put 2 x 12V or 4 x 6V >> in series to get 24V. I’m not sure you’ll find 24 or 48V batteries, the >> choices are usually 2, 6 or 12 volt. Make sure to put a fuse in each >> series string of batteries. >> >> *From:* Josh Luthman <j...@imaginenetworksllc.com> >> *Sent:* Tuesday, January 20, 2015 2:50 PM >> *To:* af@afmug.com >> *Subject:* Re: [AFMUG] Bigger batteries for Smart UPS >> >> >> 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" <af...@kwisp.com> 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 <j...@imaginenetworksllc.com> >>> *Sent:* Tuesday, January 20, 2015 2:14 PM >>> *To:* af@afmug.com >>> *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 >>> >>
