Eaton UPS Blog

Friday 7th of August 2026 · Jane Smith

Eaton UPS Comparison: 9395P vs. 9135 — A Total Cost of Ownership View

A cost-driven comparison of the Eaton 9395P UPS and Eaton 9135 UPS, looking at total cost of ownership including efficiency, maintenance, batteries, and generator infrastructure.

Friday 7th of August 2026 · Jane Smith

Eaton UPS Powerware Battery Questions: FAQs From a Maintenance Guy Who Learned the Hard Way

Eaton UPS Powerware battery FAQs: how to check battery voltage with multimeter, what high capacity Eaton UPS systems need, and why an Arlo Pro 2 battery charger doesn't belong in a UPS closet.

Thursday 6th of August 2026 · Jane Smith

Why the Cheapest Eaton UPS Is Usually the Most Expensive (8 Years of Mistakes)

A facilities engineer explains why buying the cheapest Eaton UPS, a diesel generator on sale, or a portable generator with the wrong electric socket can cost far more than the price tag.

Wednesday 5th of August 2026 · Jane Smith

How to Choose PLC I/O Modules: 3 Scenarios for Analog, Digital, and Ethernet Inputs

Choosing PLC I/O modules isn't a one-size-fits-all decision. A quality manager walks through three real scenarios—retrofit, new panels, and high-cycle outputs—and explains why total cost matters more than module price.

Wednesday 5th of August 2026 · Jane Smith

I Bought a 'Cheap' UPS to Save $1,440. It Cost Us $860 More and Three Weeks of Risk

A procurement manager breaks down six years of power protection purchases—why the cheapest UPS option wasn't cheaper, how a Reliance transfer switch kit changed the budget, and why 'eaton 1000va ups' searches only tell half the story.

Wednesday 5th of August 2026 · Jane Smith

Your Eaton UPS Didn't Fail. The Transfer Switch Did—and Nobody Checked.

A quality manager in the power protection industry reveals why UPS 'failures' during outages are almost always transfer switch problems, how to test contact resistance with a multimeter, and what to check before your next outage.

Tuesday 4th of August 2026 · Jane Smith

Backup Power Buying Checklist: What a Quality Inspector Checks Before You Order

A practical checklist for evaluating UPS systems, solar inverters, and generator transfer switches. Written by a quality inspector who reviews specs before every order ships.

Tuesday 4th of August 2026 · Jane Smith

Eaton UPS Systems: Modular vs. Traditional, Support Costs, and Maintenance Lessons

A practical comparison of Eaton UPS options from an office administrator who manages purchasing. Covers modular vs traditional systems, the Eaton 9155 manual, tech support phone number, battery costs, and capacitor checks with a multimeter.

Monday 3rd of August 2026 · Jane Smith

Eaton UPS Buying Reality: What an Admin Learned After 4 Years of Purchases

A no-fluff look at Eaton UPS pricing, fault codes, and power backup strategy from an office administrator who has bought and maintained them since 2021.

Monday 3rd of August 2026 · Jane Smith

UPS Preventive Maintenance vs. Emergency Repair: What 10 Years of 2 AM Calls Taught Me

A field-level comparison of UPS preventive maintenance vs. emergency repair, based on real service experience with Eaton UPS systems—covering cost, downtime, circuit breaker testing without power, and air filter replacement frequency.