Best Uninterruptible Power Supply

Compact dynamo

Excellent power output for its size, protecting several electronics at once during outages, with an intuitive interface for pinpoint control.

Smaller and lighter mini-tower UPS that matches larger towers in power output. Included software helps monitor battery and can be configured to shut down a PC during a power outage. Automatic voltage regulation protects from minor power blips.

UPS Battery Backup & Surge Protector with USB Charger, 600VA

User must connect the battery on a new unit, so it’s not ready to go out of the box.

Best Bang for the Buck

APC

Long battery life

With its dedicated battery backup configuration, this modest-looking UPS delivers plenty of power for multiple electronics.

Provides at least 30 minutes of backup power to electronics. Includes silent mode to prevent annoying alert beeps. Includes software for more precise UPS control.

Intelligent LCD UPS System

Battery performance may degrade significantly after the first 12 to 18 months.

CyberPower

Plenty of power outlets

A robust UPS that conditions power well and keeps electronics powered during an outage long enough to safely shut them down.

12 outlets populate this mini-tower UPS, with 6 benefiting from battery backup – enough to protect almost all home office electronics. Includes automatic voltage regulation, helping extend the life of the battery. Software available to monitor and control the UPS. Battery life is impressive, powering longer than rated at half-load.

Ethernet ports are somewhat loose and can sink too far into the UPS body to use effectively.

This chunky tower unit is a reliable mainstay for homes in areas that are prone to power brownouts and blackouts.

A squarish mini-tower unit that offers 10 total outlets (5 on battery backup). When running a generator, the unit handles the power feed without an issue, conditioning power output to multiple electronics.

Ecologic UPS System, 850VA/510W

Plastic parts on casing can break easily, so be careful when moving the unit.

CyberPower

Good for home office

A powerful and compact UPS hampered by a less-than-perfect rechargeable battery.

Great power output for a desktop UPS. A bright LCD panel is a standout feature at this price point. Includes software to monitor and control UPS, and shut down computer automatically during power failure.