How to Choose the Right Uninterruptible Power Supply (UPS)
Last updated: 11 May 2025
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A UPS is a vital device that protects your electronic equipment from power outages, surges, and voltage drops. To choose the right model for your needs, consider the following key factors:
1. Define Your Usage Requirements
- Select a UPS based on the type of equipment you want to protect, such as computers, CCTV systems, or servers
- Make sure the UPS matches your application to ensure reliable performance
2. Choose the Appropriate Power Rating (VA)
- The UPS capacity should be about 2030% higher than your equipment's total power demand
- This provides a safety margin and allows room for future upgrades
3. Understand UPS Types
- Offline UPS Basic protection, suitable for home or non-critical systems
- Line-Interactive UPS Protects against brownouts, surges, and moderate fluctuations
- Online UPS Offers the highest level of protection for sensitive or mission-critical equipment
4. Consider Battery Backup Time
- Choose a UPS with enough runtime to shut down systems safely or continue temporary operations
- Most models offer 515 minutes of backup time, depending on the load
5. Look for Additional Features
- Consider models with a status LCD display, USB or network connectivity, or management software
- Review the warranty to ensure after-sales support and product reliability
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