Support · UPS Knowledge Center
Everything you need to know about UPS power protection
Nine in-depth articles covering how UPS systems work, how to choose the right one, and how to install and maintain it — whether you are protecting a home office or a data centre.
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I’m new to UPS
Start with the basics — what a UPS is and how it protects your equipment
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I need to choose a UPS
Answer 5 questions and get a matched recommendation for your situation
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I just bought a UPS
Step-by-step installation, commissioning and maintenance guide
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⚡ Interactive Tool
UPS Selection Wizard
Not sure which UPS is right for you? Answer 5 questions about your application, load, and runtime requirements — the wizard maps your situation to a specific recommendation with reasons.
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Getting Started
Foundational concepts — what UPS systems are and how they work
01
What is a UPS? How It Protects Your Equipment Instantly
Learn what an Uninterruptible Power Supply is, how it works in milliseconds, and which equipment needs UPS protection. Includes an interactive circuit diagram and six power threat explanations.
Beginner
8 min read
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02
UPS vs Voltage Stabiliser vs Generator — Can They Replace Each Other?
Clarifies the difference between three commonly confused devices and explains why they complement rather than replace each other. Includes a side-by-side comparison table and six real-world scenarios.
Beginner
9 min read
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How UPS Systems Work
Topology, specifications, batteries and modular architecture explained in depth
03
What Are the Main Types of UPS Systems? Topologies Explained
A clear explanation of Off-Line, Line-Interactive and On-Line (double-conversion) topologies — how each works, what it protects against, and when to use it. Includes interactive circuit diagrams and a full comparison table.
Intermediate
10 min read
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04
How to Read a UPS Datasheet — VA, Watts, Power Factor and THD Explained
Decodes every key specification on a UPS datasheet. Includes an annotated interactive datasheet, a VA–watts visual explainer, waveform quality comparison, and a sizing calculator.
Intermediate
9 min read
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05
UPS Battery Guide — Lead-Acid vs Lithium-Ion, Lifespan and Replacement
Covers both battery chemistries in detail, explains why temperature is the primary lifespan factor, shows how to identify when replacement is needed, and includes a step-by-step replacement checklist.
Intermediate
9 min read
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06
Modular UPS Explained — When Does It Make Sense?
Explains what modular UPS is (and what it isn’t), how N+1 and 2N redundancy work, how it compares to monolithic On-Line UPS, and includes a 10-year relative cost comparison tool.
Intermediate
10 min read
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Selecting the Right UPS
Decision guides and tools to match your requirements to the right specification
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How to Choose the Right UPS — Complete Selection Guide
The definitive selection guide: five sequential decisions from topology to form factor, a load power calculator with scene-based presets, a full scenario matrix, and the interactive 5-step selection wizard.
Intermediate
12 min read
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08
Single-Phase vs Three-Phase UPS — How to Tell Which You Need
Explains the electrical difference between single and three-phase power, four methods to identify your supply type, a full spec comparison, and a two-step decision tool.
Intermediate
8 min read
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Installation & Maintenance
Everything you need to do after purchasing — from site preparation to ongoing upkeep
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UPS Installation and Commissioning — What to Do After You Buy
Covers site preparation, physical installation, first power-on, software setup (shutdown automation, SNMP, alerts), load testing, and a maintenance schedule. Includes a 26-item interactive installation checklist.
Practical
10 min read
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More articles coming soon
Application-specific guides for server rooms, industrial environments, medical facilities, and more.
Coming soon
Still not sure which UPS is right for you?
Our team can help you specify the right solution for your application and budget.
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