Here's what we just started using: APC Smart-UPS 1000 XL - $500 APC XL Ultra Battery Pack 24V - UXBP24 - $500 APC Management Card - $200
The downside to this is that it isn't a rackmount solution. The external battery pack is BIG as it houses four "car" battery-sized batteries. These are chainable too which is nice. Based on a 300W load, here is the uptime you'll see with the battery packs: SUA1000XL + (1)UXBP2411 hrs 57 minsSUA1000XL + (2)UXBP2424 hrs 31 minsSUA1000XL + (3)UXBP2435 hrs 43 minsSUA1000XL + (4)UXBP2446 hrs 55 mins So, for $1,200 you'll get a UPS w/monitoring and nearly 12 hours of uptime. Drop in another UXBP24 for every additional 12 hours of uptime you need. On Wed, Jan 21, 2009 at 6:27 PM, Tom DeReggi <[email protected]>wrote: > Thats why we liked the triplite inverters. They had a 33amp charging > circuit > (required 40 amp breaker), and the charge voltage varied based on the type > of battery. > This was my fear with using Smart Ups. They were designed for lead acid > batteries, which have different characteristics than Gel batteries, or the > other type (VLRA?). > > One thing we didn't like about the Triplite Smart UP XL series at high VA, > was they were deep as hech, to accommodate a lot of internal batteries. I > preferred a unit that had a shorter depth. The Triplites also have > different Voltage requirements for its batteries. I found one of the models > that did support 48V. > > Although I did not look into APC's XL series yet, as Patrick suggested. > > Its tough getting the facts out of APC and trriplite, because oif course > they all want to sell you theirown battery packs, which are way over priced > by a factor of 6X minimum. > > > Tom DeReggi > RapidDSL & Wireless, Inc > IntAirNet- Fixed Wireless Broadband > > > ----- Original Message ----- > From: "jp" <[email protected]> > To: "WISPA General List" <[email protected]> > Sent: Wednesday, January 21, 2009 2:35 PM > Subject: Re: [WISPA] We're being DDOS'd by DC! > > > > We were having trouble with the APC rackmount UPSs getting flaky, so > > that's why we went elsewhere. The 2U smartups tended to fail by > > overcharging the batteries causing them to bulge to the extent the > > batteries could not be removed except by complete disassembly of the > > UPS. We had 3-4 UPSs taken out of service for this reason. I had a 3U > > smartups start to pulse the output power and it killed a computer in the > > process, and I've had the 3u fail to take advantage of a new battery > > pack. > > > > That said, the APC units work mostly flawlessly within a datacenter with > > proper cooling. However, out in the field in cold barns, basements, > > outdoor cabinets or warm closets, they haven't been sufficiently > reliable. > > > > The tripplites have different charging rates, the 700hf is 6amp, the 750 > > is 20amp I think, the 1250 perhaps more. This lets me recharge quickly > > and be ready for another outage. If it's on generator power, it means > > the batteries can be fully recharged before we run out of gas. > > > > On Wed, Jan 21, 2009 at 10:49:15AM -0800, Marlon K. Schafer wrote: > >> I wondered about just swapping out the batteries on my APC units and > >> instead > >> hooking the units to bigger batteries. My fear is that the chargers > >> won't > >> hold up to long charge times that would be needed for a big marine > >> battery > >> instead of a little exit light battery.... > >> > >> Thoughts? Anyone already tried this? > >> marlon > >> > >> ----- Original Message ----- > >> From: "jp" <[email protected]> > >> To: "WISPA General List" <[email protected]> > >> Sent: Wednesday, January 21, 2009 8:36 AM > >> Subject: Re: [WISPA] We're being DDOS'd by DC! > >> > >> > >> >I like the tripplite APS 700hf/750/1250 gear. > >> > > >> > We've got sites with 2 big batteries that should be good for 24 hours > >> > with these. > >> > > >> > I put one at my house after going through 2 APC UPSs in 8 years. > >> > > >> > We put them everywhere we need long run time, and add batteries for > >> > places where it's impractical to take a generator. > >> > > >> > I don't mind freely recommending them. My competition has already seen > >> > how well they work at a mountaintop site where we are both located and > >> > has since followed that route in the interest of long runtime. > >> > > >> > On Wed, Jan 21, 2009 at 07:07:19AM -0800, Marlon K. Schafer wrote: > >> >> Yeah. But they don't last forever. > >> >> > >> >> I've also found that they drain faster than they charge too. > >> >> > >> >> Right now I have rolling power outages in at least 4 towns spread out > >> >> by > >> >> a > >> >> good 80 miles via road. The power is on, then off then on then off. > >> >> It's > >> >> not like I can just got to town A and fire up a generator. > >> >> > >> >> Plus, these towns combine for a total of 11 sites! I don't have that > >> >> many > >> >> generators. > >> >> > >> >> Wanna know the funny part? In Wilbur, AT&T's cell tower has been > down > >> >> more > >> >> than I have! grin > >> >> > >> >> People still had phone service most of the time. One of the cell > >> >> phone > >> >> companies stayed up. If there was NO communications infrastructure > in > >> >> place > >> >> I'd have worked harder to keep things running. Without help and a > lot > >> >> more > >> >> generators/gas cans it just wasn't possible though. > >> >> > >> >> The weather is supposed to break today or tomorrow. I don't know > how > >> >> long > >> >> it'll take to clean up all of the broken limbs etc. though. > >> >> > >> >> laters, > >> >> marlon > >> >> > >> >> ----- Original Message ----- > >> >> From: "George Rogato" <[email protected]> > >> >> To: "WISPA General List" <[email protected]> > >> >> Sent: Tuesday, January 20, 2009 9:22 PM > >> >> Subject: Re: [WISPA] We're being DDOS'd by DC! > >> >> > >> >> > >> >> > Don't you have battery back ups? > >> >> > > >> >> > > >> >> > Marlon K. Schafer wrote: > >> >> >> Looks pretty normal around here. But some of our towers are > >> >> >> offline > >> >> >> again > >> >> >> due to all of the power outages. > >> >> >> marlon > >> >> >> > >> >> >> ----- Original Message ----- > >> >> >> From: "Eric Tykwinski" <[email protected]> > >> >> >> To: "'WISPA General List'" <[email protected]> > >> >> >> Sent: Tuesday, January 20, 2009 9:52 AM > >> >> >> Subject: Re: [WISPA] We're being DDOS'd by DC! > >> >> >> > >> >> >> > >> >> >>> Everyone on NANOG has been saying the same. We're actually > seeing > >> >> >>> close > >> >> >>> to > >> >> >>> triple on downloading today, starting about 9AM EST. > >> >> >>> Thankfully no issues on capacity at all on our end... > >> >> >>> > >> >> >>> I'm actually surprised the sites serving the videos aren't having > >> >> >>> any > >> >> >>> issues > >> >> >>> yet. > >> >> >>> > >> >> >>> -----Original Message----- > >> >> >>> From: [email protected] > >> >> >>> [mailto:[email protected]] > >> >> >>> On > >> >> >>> Behalf Of David E. Smith > >> >> >>> Sent: Tuesday, January 20, 2009 12:46 PM > >> >> >>> To: WISPA General List > >> >> >>> Subject: [WISPA] We're being DDOS'd by DC! > >> >> >>> > >> >> >>> Not really, but is everyone else seeing lots of extra traffic > from > >> >> >>> people > >> >> >>> streaming inauguration-related events in DC? My network is > pulling > >> >> >>> basically > >> >> >>> double the traffic of a "normal" Tuesday. > >> >> >>> > >> >> >>> (There's a lesson about capacity planning in here somewhere...) > >> >> >>> > >> >> >>> David Smith > >> >> >>> MVN.net > >> >> >>> > >> >> >>> > >> >> >>> > >> >> >>> > ---------------------------------------------------------------------------- > >> >> >>> ---- > >> >> >>> WISPA Wants You! 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