10 Best Battery Backup For Computers 2021

Reviewed by Gareth Otwell | Last Updated: Nov 17, 2020

APC UPS – ⭐ Best Overall Battery Backup For Computer

600VA / 330W Backup Battery power supply
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)
REPLACEABLE BATTERY: The battery can be replaced when needed with RBC model APCRBC154 (sold separately)
Backed by APC's 3-YEAR warranty, plus a $75,000 connected-equipment policy

CyberPower CP1500AVRLCD Intelligent LCD UPS System

1500VA/900W Intelligent LCD Battery Backup Uninterruptible Power Supply (UPS) System
12 NEMA 5-15R outlets: (6) battery backup & surge protected outlets, (6) surge protected outlets safeguard desktop computers, workstations, networking devices and home entertainment equipment
Multifunction LCD panel: Displays immediate, detailed information on battery and power conditions, including: Estimated runtime, battery capacity, load capacity, etc.
Automatic Voltage Regulation (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery
3-year warranty – Including the batteries, $500,000 connected equipment guarantee and free PowerPanel personal edition management software (Download)

APC UPS

1500VA / 900W Backup Battery power supply
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
3-5 Year Battery Life. UPS Replacement Battery for BX1500M sold separately (part # APCRBC124)
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)
Backed by APC's 3-YEAR WARRANTY, plus a $250,000 connected-equipment policy

APC UPS – 💲 Best Budget Battery Backup For Computer

425VA / 225W Backup Battery power supply
6 Outlets (NEMA 5-15R): 4 UPS Battery Backup with Surge Protection Outlets, and 2 Surge Protector Only Outlets
5' Power Cord, right-angle 3-prong wall plug (NEMA 5-15P). Wall mountable
During a power outage, an APC UPS battery backup power supply provides backup power for essential home electronics. Ideal battery backup for wifi routers.
Backed by APC's 3 YEAR WARRANTY, and $75,000 connected-equipment policy

AmazonBasics Standby UPS 800VA 450W Surge Protector Battery Backup

Power Management software is available for download below (refer to the Product description section)
Uninterruptible power supply (UPS) with 800VA / 450W battery backup; ideal for desktop computers, home networks, IoT devices, and home-entertainment devices
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
5-foot cord with NEMA 5-15P right angle and 45-degree offset plug (120V - 50Hz / 60Hz)
Small compact size for easily integrating into home or office environment
Backed by an AmazonBasics limited 1-year warranty, including the battery; $75,000 connected equipment guarantee

CyberPower ST425 Standby UPS System

425VA/260W Standby Battery Backup Uninterruptible Power Supply (UPS) System
8 NEMA 5-15R outlets: (4) battery backup & surge protected outlets, four surge protected outlets safeguard home office and entertainment needs, including computers, gaming consoles, and broadband routers
Additional features: LED status light indicates power-on and wiring fault, transformer-spaced outlets. 5 feet cord with NEMA 5-15P plug
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
3-year warranty including the battery; $75,000 connected equipment guarantee

CyberPower CP1500PFCLCD PFC Sinewave UPS System

1500VA/1000W PFC Sine Wave Battery Backup Uninterruptible Power Supply (UPS) System - designed to support active PFC and conventional power supplies
12 NEMA 5-15R outlets: (6) battery backup & surge protected outlets, six surge protected outlets safeguard servers, workstations, network devices, and telecom equipment. Two USB charge ports (one type-A and one type-C) power portable devices such as mobile phones and tablets, even during a utility power failure
Multifunction LCD panel with color display: Displays immediate, detailed information on the UPS battery and power conditions. The color display quickly alerts users to potential problems before they can affect critical equipment and cause downtime. Screen tilts up to 22 degrees for easy viewing
Automatic Voltage Regulation (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery
3-year warranty including the battery; $500,000 connected equipment guarantee and free PowerPanel personal edition management software (Download)

CyberPower EC450G Ecologic Battery Backup & Surge Protector UPS System

450VA/260W Ecologic Battery Backup Uninterruptible Power Supply (UPS) System
8 NEMA 5-15R OUTLETS: 4 battery backup & surge protected outlets, 4 surge protected outlets (3 ECO controlled) safeguard desktop computers, workstations, networking devices, and home entertainment systems
LED STATUS LIGHTS: Indicate Power On and ECO Mode On/Off
ECO MODE: When the UPS detects a computer is off or in sleep mode, it will automatically turn off power to computer peripherals connected to ECO mode outlets, reducing power usage and lowering energy costs
3-YEAR WARRANTY INCLUDING THE BATTERY; $100,000 Connected Equipment Guarantee and FREE PowerPanel Personal Software (Download)

Tripp Lite SMART1500LCDT 1500VA 900W UPS Battery Back Up

Work though short blackouts & maintain a network connection/ save files safely during longer blackouts: 1500VA / 900W Smart LCD Battery Backup Uninterruptible Power Supply (UPS) provides up to 90 minutes of runtime for an entry level PC system, and 10 min of half-load runtime
10 Outlets protect desktops & all peripherals: 5 Outlets provide UPS Power Backup & Surge Protection (for desktop, monitor, LCD, keyboard, external hard drive, wireless router, IoT device); 5 Outlets offer Surge Protection Only (ideal for printers and other electronics that are not essential in a blackout)
Avr corrects brownouts & overvoltages without using battery power: Otherwise known as Automatic Voltage Regulation, this conserves battery power for critical blackouts. Also features TEL/DSL/Ethernet protection
Free management software / user replaceable batteries: USB port & free software enable unattended system shutdown and power management. Batteries are fully hot-swappable / user-replaceable allowing you to extend the life of your UPS if the batteries are depleted after the 3-year warranty
3-year warranty, $250,000 insurance: 3-year limited warranty and $250,000 ultimate lifetime insurance for connected equipment. Operating temperature range: +32 to +104 degrees fahrenheit / 0 to +40 degrees celsius

APC UPS – 👑 Premium Pick

1500VA / 900W Backup Battery power supply
Sinewave UPS with Automatic Voltage Regulation (AVR), designed for high-end electronics. Ideal battery backup for computer
10 Total Outlets (NEMA 15-15R): 6 Battery backup outlets, and 4 Surge-protection only outlets
(1) USB-C Charging port iphone 12 compatible, and (1) Type-A USB charging port (15W shared))
6' Power Cord with space saving right-angle wall plug (NEMA 15-15P). Plus FREE power-management software for Windows PC (Mac OS uses native 'Energy Saver' in settings)
Updated version of APC UPS BR1500MS
3 Year Warranty, plus a $250,000 policy for connected-equipment