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VRLA VS. LI-ION

Battery Technology for Single Phase UPS Systems

Lithium-ion battery prices have decreased over the years and are now becoming a viable option for Uninterruptible Power Supply (UPS) applications. This paper provides a brief overview of li-ion batteries in comparison to Valve-Regulated Lead-Acid (VRLA) batteries for singlephase UPS applications, with analysis of:
  • Benefits and drawbacks of each technology
  • Both capital and operational costs
  • Drivers for total cost of ownership

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