VRLA or Li-Ion? What’s in Your UPS Cabinet Matters More Than You Think
By Molly Gross, Principal, Power Solutions, LLC The Problem With VRLA Valve-regulated lead-acid batteries are the most widely deployed UPS battery technology — and the most common source of UPS failure. Not because they stop working suddenly, but because they degrade gradually and invisibly. A VRLA string that passes a routine voltage check can still […]