UPS systems provide backup power within the safeguards for critical operations should any outage occur. However, UPS batteries are usually tested quite frequently to ensure their operation at such times. This is simply because a UPS battery failure at such a time can lead to costly lost time and lost safety opportunities. Several testing methods exist for UPS batteries, each with a sp... https://www.electricalbusinessreview.com/news/maximizing-ups-efficiency-the-different-approaches-to-battery-testing-nwid-264.html