Best Small Battery Backup For Computer In August 2025

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To help you choose the Best Small Battery Backup For Computer, we’ve put together this comprehensive guide. We have tried to cover as much variety as possible. Hope you will find it helpful!

To help you in your search, we have completed this list of the Best Small Battery Backup For Computer.

Top Rated Best Small Battery Backup For Computer Of 2025

Rank	Product Name	Score
1	Vertiv Desktop 400VA/240W UPS Battery Backup and Surge Protection Buy Now	9.7 Buy Now
2	APC UPS BE425M, 425VA UPS Battery Backup Surge Protector, Backup Battery Uninterruptible Power Buy Now	9.5 Buy Now
3	CyberPower ST425 Standby UPS System, 425VA/260W, 8 Outlets, Compact Buy Now	9.1 Buy Now
4	CyberPower CP350SLG Standby UPS System, 350VA/255W, 6 Outlets, Compact Buy Now	8.8 Buy Now
5	APC UPS, 600VA UPS Battery Backup & Surge Protector, BE600M1 Backup Battery Buy Now	8.6 Buy Now
6	APC Back-UPS 850VA UPS Battery Backup (BE850M2) Buy Now	8.3 Buy Now
7	AmazonBasics Standby UPS 800VA 450W Surge Protector Battery Backup, 12 Outlets Buy Now	8.1 Buy Now
8	APC UPS, 1500VA UPS Battery Backup & Surge Protector, BX1500M Backup Battery, AVR Buy Now	7.8 Buy Now
9	APC Back-UPS Pro 700VA UPS Battery Backup & Surge Protector (BR700G) Buy Now	7.5 Buy Now
10	CyberPower AVRG750U AVR UPS System, 750VA/450W, 12 Outlets, Compact,Black Buy Now	7.2 Buy Now

1. Vertiv Desktop 400VA/240W UPS Battery Backup and Surge Protection

• Illuminated power/battery indicator, with audible alarm when in battery mode
• Up to 15 minutes of runtime for an entry level pc
• 5 power outlets - three surge and battery protected outlets with two surge-only outlets
• Co-axial cable surge suppression and ethernet (rj45) surge suppression connections
• Automatic ups restart after utility power returns
• Three-year, full unit coverage including the battery with no-hassle, advanced replacement warranty

2. APC UPS BE425M, 425VA UPS Battery Backup Surge Protector, Backup Battery Uninterruptible Power

• During a power outage, an apc ups battery backup power supply provides backup power for essential home electronics. ideal battery backup for wifi routers.
• 6 outlets (nema 5-15r): 4 ups battery backup with surge protection outlets, and 2 surge protector only outlets
• 425va / 225w backup battery power supply
• 5' power cord, right-angle 3-prong wall plug (nema 5-15p). wall mountable
• Backed by apc's 3 year warranty, and $75,000 connected-equipment policy

3. CyberPower ST425 Standby UPS System, 425VA/260W, 8 Outlets, Compact

• Additional features: led status light indicates power-on and wiring fault, transformer-spaced outlets. 5 ft. cord with nema 5-15p plug
• 3-year warranty including the battery, $75,000 connected equipment guarantee
• 8 nema 5-15r outlets: four battery backup & surge protected outlets, four surge protected outlets safeguard home office and entertainment needs, including computers, gaming consoles, and broadband routers
• Greenpower ups high-efficiency design: reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
• 425va/260w standby battery backup uninterruptible power supply (ups) system

4. CyberPower CP350SLG Standby UPS System, 350VA/255W, 6 Outlets, Compact

• 350va/255w standby battery backup uninterruptible power supply (ups) system
• Led indicators: led status lights indicate power-on and wiring fault
• Standby topology: ensures that when incoming power drops below or surges above safe voltage levels, the ups switches to dc battery power and then inverts to ac power to run connected equipment
• 3-year warranty including the battery, $75,000 connected equipment guarantee
• 6 nema 5-15r outlets: three battery backup & surge protected outlets, three surge protected outlets safeguard desktop computers, workstations, networking devices and home entertainment equipment

5. APC UPS, 600VA UPS Battery Backup & Surge Protector, BE600M1 Backup Battery

• 7 outlets (nema 5-15r): 5 ups battery backup with surge protection outlets, and 2 surge protector only outlets
• One usb charger port (1.5a) for cell phones and other portable electronics
• 5' power cord, right-angle 3-prong wall plug (nema 5-15p), wall-mountable, plus free windows pc power-management software (mac os uses native "energy saver" settings)
• 3-5 year battery life. apc ups replacement battery sold separately (part # apcrbc154)
• 600va / 330w backup battery power supply
• Backed by apc's 3-year warranty, plus a $75,000 connected-equipment policy

6. APC Back-UPS 850VA UPS Battery Backup (BE850M2)

• 5' power cord, right-angle 3-prong wall plug (nema 5-15p), wall-mountable, plus free windows pc power-management software (mac os uses native "energy saver" settings)
• 850va / 450w backup battery power supply
• Backed by apc's 3-year warranty, plus a $75,000 connected-equipment policy
• 9 outlets (nema 5-15r): 6 ups battery backup with surge protection outlets, and 3 surge protector only outlets
• 3-5 year battery life. apc ups replacement battery sold separately (part # rbc17)
• Two usb charger ports (2.4a shared)

7. AmazonBasics Standby UPS 800VA 450W Surge Protector Battery Backup, 12 Outlets

• Uninterruptible power supply (ups) with 800va / 450w battery backup, ideal for desktop computers, home networks, iot devices, and home-entertainment devices
• Small compact size for easily integrating into home or office environment
• Power management software is available for download below (refer to the product description section)
• 5-foot cord with nema 5-15p right angle and 45-degree offset plug (120v - 50hz / 60hz)
• Note: please check the total device power consumption when applying battery backup outlet, for optimal system performance, keep the load below 80% of the unit's rated capacity.
• 12 outlets total (nema 5-15r), consisting of 6 surge-protected outlets and 6 surge-protected/battery-backup outlets

8. APC UPS, 1500VA UPS Battery Backup & Surge Protector, BX1500M Backup Battery, AVR

• 10 outlets (nema 5-15r): 5 ups battery backup with surge protection outlets, and 5 surge protector only outlets
• Automatic voltage regulation (avr) instantly corrects low/high voltage fluctuations, and is active pfc compatible
• 1500va / 900w backup battery power supply
• 1 gb network dataline protection, 6' power cord, right-angle 3-prong wall plug (nema 5-15p), and free windows pc power-management software (mac os uses native "energy saver" settings)
• 3-5 year battery life. ups replacement battery for bx1500m sold separately (part # apcrbc124)
• Backed by apc's 3-year warranty, plus a $250,000 connected-equipment policy

9. APC Back-UPS Pro 700VA UPS Battery Backup & Surge Protector (BR700G)

• When the power goes out, an apc battery backup with surge protection provides guaranteed power for computers, external hard drives and other electronics, including your wireless router so you can maintain a network connection for your iot devices when you need it most
• 700va / 420w battery backup uninterruptible power supply (ups)
• Typical recharge time: 12 hour(s)
• 6 total outlets: 3 outlets provide ups power backup and surge protection, 3 outlets offer surge protection only
• Automatic voltage regulation (avr) maintains safe voltage conditions without using backup battery power

10. CyberPower AVRG750U AVR UPS System, 750VA/450W, 12 Outlets, Compact,Black

• 3-year warranty including the battery, $150,000 connected equipment guarantee and free powerpanel personal edition management software (download)
• 750va/450w avr battery backup uninterruptible power supply (ups) system
• 12 nema 5-15r outlets: six battery backup & surge protected outlets, six surge protected outlets safeguard desktop computers, workstations, networking devices and home entertainment equipment
• Automatic voltage regulation (avr): corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery
• Data line protection: prevents power surges that travel through telephone lines from causing damage to electronics