Comment Re:So make the power reliable... (Score 4, Insightful) 293
The "remote-deployed" may have something to do with it. These may be part of some kind of set-and-forget devices that are not maintained by IT types. Think industrial settings.
If the UPS units were desktop grade, they are a crapshoot for quality and would probably have to be rotated out every 2-3 years and are expensive to ship due to weight. Add in the hassle of recycling the lead-acid batteries.