BlogPower & facilities
Inverters vs UPS: what's the difference?
By David Otieno, Senior ICT Consultant 1 min read
Both provide battery power during outages. They differ in transfer time, power conditioning and intended loads.
Inverters and UPS units both run equipment from batteries when the power goes off. They are designed for different purposes.
UPS
Designed to protect sensitive electronics. Switching time is very short or zero (online UPS), and many condition power continuously. Runtime is often short, unless extended with batteries.
Inverters
Designed for longer backup of household or office loads, often with larger battery banks and sometimes solar input. Transfer may take longer, which some sensitive devices notice.
Using them together
Some sites use an inverter for general loads and UPS units for servers and network equipment.
Choose by load
Match the equipment to what it protects and for how long.
See our backup power solutions.
About the author
David Otieno
Senior ICT Consultant
David Otieno writes about cybersecurity, physical security systems, power resilience and running IT reliably day to day.