Dec 23, 2024 · Uninterruptible Power Supply (UPS) systems are critical for ensuring continuous power in environments where downtime is not an option. But like any piece of equipment, a
Jun 14, 2025 · Discover how long an uninterruptible power supply (UPS) lasts and ensure continuous power during outages. Learn about UPS battery life, runtime, and factors affecting
1. What is the lifespan and service life of a UPS (Uninterruptible Power Supplies) unit? Although it depends on the environment in which the UPS is used, it is generally said to last between 5 and 15 years. This also varies depending on the size, so please see the table below for details.
But how long will a UPS last? The answer depends on factors such as battery type, usage, and environmental conditions. On average, a UPS unit can last 5 to 10 years, while the uninterruptible power supply battery life typically ranges from 3 to 5 years before a replacement is required.
Beyond the batteries, other uninterruptible power supply components such as inverters, rectifiers, capacitors, and fans also have their own lifespans. Inverters and rectifiers can last for many years with proper maintenance, while capacitors and fans might need replacement every five to seven years.
Maintenance – Regular inspections, timely battery replacements, and proper storage conditions extend the UPS lifespan. Most high-quality UPS systems are designed to last around 8 to 10 years, but without proper care, they may degrade faster. How Long Can a UPS Last Without Power?
The battery life of a UPS is "2 to 5 years" for conventional lead-acid batteries, but lithium-ion batteries have a long life of "10 years" *1. Not only does the longer life reduce maintenance costs, but it also has many other benefits, such as a smaller UPS and less capacity loss due to aging.
For example, if you’ve got a 1,000-watt UPS with 125-minutes of standby time, your backup should last for 8-hours with no power outage. However, if you do go through an extended power outage that ends up lasting longer than 8-hours, your UPS would then need to be replaced.
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