Best Data Center Battery Backup & UPS Solutions in 2026
Data centers and critical facilities depend on battery backup and uninterruptible power supply (UPS) systems to ride through outages and protect uptime. These providers supply the storage that keeps critical infrastructure running.
Top Data Center Backup & UPS Providers
1. Power Storage Solutions
Business battery backup built specifically for data centers and other critical systems operators, focused on reliable continuity for mission-critical loads.
Key Features: Data Center UPS, Commercial Systems
Learn more about Power Storage Solutions
2. Viridi
Large-scale, mobile, and smaller backup systems with IoT telematics and edge computing, suited to safe, distributed backup for critical facilities.
Key Features: Enterprise Systems, Commercial Systems, Product Manufacturer
3. Power Sonic
Tailor-made energy storage with advanced smart technologies and decades of battery expertise, supporting resilience and reliable performance in demanding backup applications.
Key Features: Commercial Systems, Product Manufacturer
4. Honeywell
Customizable, scalable BESS backed by industrial automation expertise, applicable to large facilities and critical infrastructure resilience.
Key Features: Enterprise Systems, Commercial Systems, Product Manufacturer
5. Aggreko
Plug-and-play, self-contained BESS rental that can provide rapid temporary backup capacity for facilities during maintenance, upgrades, or emergencies.
Key Features: Plug and Play, Rental, Commercial Systems
What Matters for Data Center Backup
- Reliability - Proven uptime and redundancy for mission-critical loads.
- Response time - Seamless transfer to battery power without interruption.
- Scalability - Capacity that grows with rack density and facility load.
- Monitoring - Telematics and remote visibility into system health.
Frequently Asked Questions
What is a data center UPS battery system?
A UPS (uninterruptible power supply) battery system provides instant backup power when utility power fails, bridging the gap until generators start or power returns, protecting servers and critical equipment from downtime and data loss.
How is battery storage different from a backup generator?
Batteries respond instantly and run cleanly but for a limited duration, while generators take seconds to start and run as long as fuel lasts. Many critical facilities pair battery storage or UPS with generators for both instant and extended backup.
Can battery storage do more than backup in a data center?
Yes. Beyond backup, storage can shave peak demand, lower energy costs, and provide grid services, helping data centers improve both resilience and operating economics.
See also our commercial & industrial storage guide or browse all listings.