CyberPower AVRG900U AVR UPS Battery Backup and Surge Protector, 900VA/480W, 12 Outlets, Compact, UL Certified
Bottom line: The CyberPower AVRG900U AVR UPS Battery Backup and Surge Protector: 900VA/480W rating sized for desktop PCs, workstations and network gear; main trade-off: simulated sine wave on battery, not pure sine wave output.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ 900VA/480W rating sized for desktop PCs, workstations and network gear
- ✓ 12 outlets in a compact unit, enough for a full desk setup
- ✓ AVR corrects minor power fluctuations without draining the battery
- ✓ 3-year warranty that includes the battery
Cons
- ✗ Simulated sine wave on battery, not pure sine wave output
- ✗ 480W ceiling is too low for high-draw gaming rigs
- ✗ Line-interactive design, not online double-conversion
- ✗ Battery runtime figures not stated in the listing
Manufacturer description
The CyberPower AVRG900U is a compact line-interactive UPS battery backup and surge protector rated at 900VA/480W. It keeps desktop computers, workstations, networking devices and home entertainment gear running through outages and power dips. With 12 outlets, one unit can power a full desk setup. Automatic Voltage Regulation (AVR) corrects minor power fluctuations without switching to battery power, which extends battery life. That matters if your area has frequent brownouts or voltage sags. When the power does drop, the battery backup delivers simulated sine wave output so your connected…
SpecPicks Verdict
SpecPicks scored CyberPower AVRG900U AVR UPS Battery Backup and Surge Protector using a rating × review-volume × price-fit model applied to published specs and reviews across the power protection category. Compare with similarly-priced alternatives in the power protection category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Does the CyberPower AVRG900U output a pure sine wave on battery?
No. On battery power the AVRG900U uses simulated sine wave output. It is a line-interactive UPS designed for desktop computers, workstations, networking devices and home entertainment equipment.
What does the AVR feature actually do?
Automatic Voltage Regulation corrects minor power fluctuations without switching to battery power. This extends battery life and is especially useful where voltage dips and fluctuations happen often.
How many devices can I plug into the AVRG900U?
It has 12 outlets. Its rating is 900VA/480W, so keep the combined load of everything on battery backup under 480W.
What warranty comes with the CyberPower AVRG900U?
Check CyberPower's documentation for the full guarantee terms.
Is there software to monitor the UPS?
Yes. CyberPower offers PowerPanel Management Software as a free download for managing the UPS. Check the product listing or CyberPower's site for supported operating systems and connection requirements.
Key Features
- 900VA/480W AVR Uninterruptible Power Supply (UPS): Uses simulated sine wave technology to provide battery backup power to safeguard desktop computers, workstations, networking devices, and home entertainment equipment
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $200,000 Connected Equipment Guarantee; FREE PowerPanel Management Software (Download)
Full Specifications
| Brand | CyberPower |
|---|---|
| Color | Black |
| Runtime | 10 minutes |
| Voltage | 120 Volts |
| Wattage | 480 watts |
| Amperage | 15 Amps |
| Unit Count | 1.0 Count |
| Form Factor | Compact |
| Model Number | AVRG900U |
| Input Voltage | 120 Volts |
| Maximum Power | 480 Watts |
| Built-In Media | Cyberpower UPS |
| Connector Type | NEMA |
| Item Type Name | Cyberpower AVR Series AVRG900U - UPS - External - AC 120 V - 480 Watt/900 VA - 12 output connectors |
| Output Current | 4 Amps |
| Output Voltage | 120 Volts (AC) |
| Output Wattage | 480 Watts |
| Frequency Range | 57 Hz – 63 Hz |
| Item Dimensions | 3.5 x 12.2 x 7 inches |
| Mfr Part Number | AVRG900U |
Ready to buy?
CyberPower AVRG900U AVR UPS Battery Backup and Surge Protector, 900VA/480W, 12 Outlets, Compact, UL Certified is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Power Protection
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
More reviews from the SpecPicks archive
Browse all reviews →- Jetson Orin Nano Super for ROS 2 Robotics: Build Guide + Real Latency Numbers
- Forza Horizon 6: 8GB vs 16GB VRAM GPU Benchmark Guide
- Best Budget SSD for Gaming and Local-LLM Storage in 2026
- Claude Fable 5 Tops the Intelligence Index: What Frontier Cloud AI Means for Local Rig Builders
- Best SATA SSD for the PS4 Pro in 2026 (Cheap Speed Upgrade)
- Best Mechanical Keyboard for Office and Hybrid Work in 2026
- Home Assistant Air Quality Monitor: 2025 Setup Guide
- Asus RTX 5060 Near-MSRP Deal Has Expired
- Qwen3.6-27B vs Coder-Next: Which Local Coding Model Wins?
- Building a Local AI-Agent Eval Rig After AISI's Benchmark Warning
- Booting Windows 98 From CompactFlash: The Silent Solid-State Retro Drive
- Best Budget GPU for Stable Diffusion: Why the RTX 3060 12GB Still Wins
- Blue Yeti vs HyperX QuadCast 2 S: Best USB Mic for New Streamers
- Qwen3.6 27B on a 12GB GPU: Quantization, Context, and Real-World Tok/s
- Jellyfin on Raspberry Pi 4 8GB with an SSD (2026 Guide)
- How to run Llama 3.1 70B on AMD Radeon RX 7900 XTX
- Sound Blaster Audigy FX Deep Dive: Is It Worth It for a 2003 WinXP Period-Correct Gaming Build?
- 3dfx Voodoo3 3000 PCI vs Voodoo5 5500 AGP: Win98 Performance Synthesis (2026)
- Voodoo3 3000 PCI No-Display Troubleshooting on Windows 98 SE (2026)
- Best Controller for RetroPie & Pi Emulation: SN30 Pro vs DualSense
- Build a Pi Zero 2 W Retro Mini-TV: Full Parts List and Setup
- Perplexity's Local-or-Cloud Router: What Hardware Runs the Local Half
- Ryzen 5 5600G vs Core i7-9700K for 1080p Gaming
- Best Budget Upgrades for a Ryzen Gaming PC in 2026
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090