CyberPower CP550SLG Standby UPS

Overview

The CyberPower CP550SLG is a standby uninterruptible power supply designed to provide reliable battery backup and surge protection for your essential electronics. With a capacity of 550VA/330W and a simulated sine wave output, it supports desktop computers, home entertainment systems, and networking devices by preventing unexpected shutdowns and voltage spikes. Its compact and quiet design fits well in both home and office settings, offering up to 8 minutes of runtime at half load to give you enough time to save work or safely power down equipment during outages.

Key features

• Provides battery backup and surge protection through four dedicated outlets, ensuring critical devices stay powered and safe.
• Includes eight total outlets, with four spaced widely to accommodate larger transformer plugs without blocking adjacent sockets.
• Simulated sine wave output delivers cost-effective and stable power suitable for most consumer electronics.
• Offers up to 8 minutes of runtime at half load, allowing sufficient time to manage power interruptions smoothly.
• Incorporates GreenPower UPS technology to improve energy efficiency and reduce electricity costs during operation.
• USB connectivity combined with PowerPanel Personal Software enables easy monitoring and management of power conditions from your computer.
• Surge protection rated at 890 joules to guard against damaging voltage spikes and electrical surges.
• Operates quietly and occupies minimal space, making it unobtrusive in home offices or entertainment setups.
• Backed by a three-year warranty and a $100,000 Connected Equipment Guarantee for added peace of mind.

Key specs

• Capacity: 550VA / 330W
• Output waveform: Simulated sine wave
• Outlets: 8 total, 4 with battery backup and surge protection, 4 surge-only
• Surge protection rating: 890 joules
• Runtime: Up to 8 minutes at half load, 2 minutes at full load
• Connectivity: USB port for monitoring and management
• Warranty: 3 years
• Connected Equipment Guarantee: $100,000

Connectivity and compatibility

The CP550SLG connects to your computer via USB, allowing you to use the included PowerPanel Personal Software to monitor power status, configure shutdown settings, and receive alerts during outages. Its eight outlets support a variety of devices simultaneously, including computers, routers, modems, and entertainment components. The widely spaced outlets accommodate bulky plugs and transformers, making it easier to connect multiple devices without blocking sockets.

Ideal uses and environments

This UPS is well suited for home offices, small business setups, and home entertainment systems where protecting sensitive electronics from power interruptions is critical. Its quiet operation and compact footprint make it a good fit for environments where noise and space are concerns. Users who need a balance of reliable backup power, surge protection, and energy efficiency will find this model meets those needs effectively.