Contents
When searching for the cheapest ups, you want to balance cost and performance. The top pick is the CyberPower ST425 Standby UPS Battery Backup. It has a 425VA/260W capacity and eight outlets. The value pick is the APC BE425M UPS Battery Backup. It provides fewer outlets and less power but is cheaper.
The main tradeoff is between lower capacity and fewer features with the APC BE425M versus the higher capacity of the CyberPower ST425. This guide will help you explore your options in more detail.
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The Top 8
Top 8 Ups Reviewed in Detail
Here’s a closer look at each of our selected models.
1. Editor’s Choice
CyberPower ST425 Standby UPS Battery Backup and Surge Protector
- 425VA/260W Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- ADDITIONAL FEATURES: LED status light indicates Power-On and Wiring Fault, transformer-spaced outlets
- 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; 75K USD Connected Equipment Guarantee; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The CyberPower ST425 Standby UPS Battery Backup is a budget-friendly power solution. It offers a capacity of 425VA/260W, making it suitable for basic home office use. With eight outlets, it allows you to power multiple devices like computers and routers. Compared to others, this model remains very affordable while providing reliable performance.
When compared with the APC BE425M, it offers slightly higher capacity and more outlets. This makes it ideal for users wanting to connect several devices at once. However, it has limitations. The runtime at full load is not as high as higher-capacity models.
This unit may not be the best fit for heavy users or those needing long backup times. It is more suitable for light use and basic setups, such as home offices or entertainment setups.
Pros
- 425VA/260W power capacity
- Eight NEMA 5-15R outlets for multiple devices
- Affordable choice for basic setups
Cons
- Limited runtime at high loads
- Not suitable for heavy-duty equipment
Best for: Users needing basic backup for home office devices. Not ideal for: Heavy users requiring long runtime.
A solid choice for basic power needs at a budget price.
2. Best Splurge
CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
- 1500VA/1000W PFC Sinewave Uninterruptible Power Supply (UPS): Uses sine wave output to provide battery backup power for Active PFC & conventional power supplies; Safeguards computers, workstations, network devices, and telecom equipment
- 12 NEMA 5-15R OUTLETS: 6 battery backup & surge protected outlets, 6 surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with 5 foot power cord; 2 USB charge ports (1 Type-A, 1 Type-C) quickly charge phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime; Screen tilts up to 22 degrees
- 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; $500,000 Connected Equipment Guarantee; FREE PowerPanel Management Software (Download)
The CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup is perfect for more demanding setups. It has a capacity of 1500VA/1000W, which easily supports computers and network devices. Its twelve outlets include six battery backup and surge protected outlets, allowing multiple connections. Compared to the ST425, this model is a more advanced option for users needing reliable power during outages.
While it offers more power and features, it may come at a higher price point. The added sine wave output is important for sensitive electronics, making it ideal for both active PFC and conventional power supplies. However, this UPS may not be necessary for users with lighter equipment needs.
If your setup includes gaming consoles or high-performance computers, the CP1500PFCLCD is a great choice. For those who just need basic backup, this may be overkill.
Pros
- 1500VA/1000W capacity for demanding devices
- Sine wave output for sensitive electronics
- Twelve outlets for extensive connectivity
Cons
- Higher price compared to lower capacity units
- May be too much for basic setups
Best for: Users with high-performance computers and sensitive electronics. Not ideal for: Light users with minimal power needs.
A powerful option for serious home office or gaming setups.
3. Best Budget
APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS
- KEEP YOUR COMPUTER, WI-FI AND ROUTER RUNNING THROUGH POWER OUTAGES: Supplies short-term battery power during outages to maintain internet connectivity and allow safe shutdown of computer during power interruptions
- POWER PROBLEMS DON’T ONLY HAPPEN DURING STORMS: 23 minutes of runtime (at 100W load) guards against outages, while surge protection shields connected devices from unexpected power events that happen even on a normal day
- PROTECT EVERYTHING ON YOUR DESK: 5 well-spaced outlets with full battery backup and surge protection, plus 2 surge-only outlets for less critical gear
- PHONE CHARGER: Keep your phone charged even when the power’s out. The built-in 1.5A USB port works during outages
- EASY BATTERY REPLACEMENT KEEPS COSTS LOW: Swap the internal battery in minutes when it ages out, no need to replace the whole unit (APC replacement battery APCRBC154, sold separately)
The APC BE600M1 UPS Battery Backup is designed to keep your devices running during power outages. With a runtime of about 23 minutes at a 100W load, it ensures your Wi-Fi and computer stay powered. This is particularly useful for those needing reliable internet access. Compared to the CyberPower models, it has a lower capacity of 600VA, which makes it less suitable for heavy users.
However, it is a great choice for users needing simple surge protection and backup. The APC BE600M1 is compact and easy to set up, making it a good fit for small spaces. Its runtime is decent for low-power devices.
This UPS may fall short for power-hungry devices. Users with multiple devices may find it lacking in power capacity. Overall, it serves well as a basic backup for essential electronics.
Pros
- 600VA capacity for basic devices
- 23 minutes of runtime at 100W load
- Compact design for limited spaces
Cons
- Lower power capacity compared to some models
- Limited runtime for power-hungry devices
Best for: Users needing backup for basic electronics. Not ideal for: High-capacity or high-demand setups.
An efficient option for keeping essential devices running during outages.
4. Best Compact
CyberPower CP1500AVRLCD3 Intelligent LCD UPS Battery Backup
- 1500VA/900W Intelligent LCD Uninterruptible Power Supply (UPS): Uses simulated sine wave technology to provide battery backup power to safeguard workstations, networking devices, and home entertainment equipment
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; six surge protected outlets; INPUT: NEMA 5-15P plug with 6-foot power cord; USB charge ports (1 Type-A, 1 Type-C) quickly charge mobile phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime
- 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; 500,000 Connected Equipment Guarantee; FREE PowerPanel Personal Software (Download)
The CyberPower CP1500AVRLCD3 Intelligent LCD UPS Battery Backup offers a balance of power and features. With a capacity of 1500VA/900W, it can support a variety of devices. Its twelve outlets allow connection of multiple electronics. The LCD screen provides real-time updates on battery status and power conditions. Compared to the APC models, this UPS provides more versatility and monitoring options.
While it is a strong choice for various needs, the simulated sine wave output may not be ideal for sensitive devices. Some users may prefer a pure sine wave output for high-tech equipment. Nonetheless, this model covers most typical electronics well.
It is a great fit for users needing reliable backup without the high-end features of more expensive models. If you have sensitive equipment, consider a sine wave option instead.
Pros
- 1500VA/900W power capacity
- LCD display for real-time information
- Twelve outlets for all your devices
Cons
- Simulated sine wave output may not suit all devices
- Bulky design may take up more space
Best for: Users needing a balance of power and features. Not ideal for: Those with very sensitive electronics.
A versatile choice for a variety of home electronics.
5. Best Design
CyberPower EC850LCD Ecologic UPS Battery Backup and Surge Protector
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; Six surge protected outlets (Three ECO controlled); INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- MULTIFUNCTION LCD PANEL: Displays immediate, detailed information on battery and power conditions
- 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 Edition Management Software (Download)
The CyberPower EC850LCD Ecologic UPS Battery Backup offers unique eco-friendly features. It has a capacity of 850VA, which is suitable for everyday devices. The multifunction LCD panel displays battery and power conditions, making it user-friendly. Compared to the other models, its ECO mode saves energy when devices are not in use.
This model stands out for users who want to reduce energy consumption. It provides six battery backup and surge protected outlets, allowing for multiple devices to be connected. However, it may not meet the power needs of heavy users.
If you are looking for a UPS that also focuses on energy savings, this is a great option. For those requiring higher capacity, consider other models in this roundup.
Pros
- 850VA capacity for moderate use
- ECO mode for energy savings
- LCD display for power monitoring
Cons
- Limited capacity for high-demand setups
- May not provide enough runtime for some devices
Best for: Environmentally conscious users. Not ideal for: Power-hungry devices.
A sustainable choice for everyday electronics.
6. Best for Daily Use
APC BE425M UPS Battery Backup and Surge Protector for Small Electronics
- 425VA / 255W RELIABLE BACKUP POWER: Supplies short-term battery power during outages to maintain internet connectivity and allow safe shutdown of devices during power interruptions
- SMALL UPS FOR ESSENTIAL DEVICES: Delivers up to 15 minutes of runtime when powering a 100W load. Provides basic battery backup for low-power equipment like Wi-Fi routers, modems, VoIP phones, and small home-office electronics
- SURGE PROTECTION AGAINST POWER SPIKES: 6 well-spaced outlets (4 battery backup + surge protection; 2 surge-only) help protect connected electronics from damaging surges and spikes caused by lightning or power fluctuations
- COMPACT WALL-MOUNTABLE DESIGN: Space-saving form factor fits easily under desks or mounts on a wall for apartments, dorm rooms, and small workspaces
- ENHANCED PROTECTION FOR CONNECTED ELECTRONICS: Supported by a 3-Year Warranty and $75,000 Equipment Protection, offering enhanced coverage for connected devices and added assurance against power-related damage
The APC BE425M UPS Battery Backup is a straightforward option for small devices. Its capacity of 425VA provides basic power backup. This unit is designed to keep essentials running during outages. Compared to the larger models, it is compact and easy to set up.
With a runtime of about 15 minutes at a 100W load, it offers enough time for safe shutdowns. While it is suitable for low-power devices, it may not support multiple devices at once. Users should consider their specific needs before purchasing.
If you require more power, this model might not be sufficient. However, it is a reliable choice for those needing backup for basic electronics.
Pros
- 425VA capacity for low-power devices
- Compact design for easy placement
- 15 minutes of runtime at 100W load
Cons
- Limited power capacity for multiple devices
- Lower runtime for high-demand needs
Best for: Users needing backup for essential small electronics. Not ideal for: More demanding setups.
A practical solution for basic power needs.
7. Runner-Up
APC BX1500M UPS Battery Backup & Surge Protector for Computers, Electronics
- 1500VA / 900W RELIABLE BACKUP POWER: The highest VA capacity available for home use; delivers short-term battery power to keep essential devices powered during blackouts, surges, and unexpected power interruptions
- EXTENDED RUNTIME DURING OUTAGES: Provides up to 68 minutes of backup runtime at a 100W load-keeping computers, TVs, DVRs, Wi-Fi routers, modems, external drives, NAS systems, and smart home devices powered during outages
- TEN PROTECTED OUTLETS: Power your entire setup with 5 battery backup outlets for essential devices, and 5 surge-only outlets for peripherals. Plus built-in coaxial and Ethernet surge protection for added peace of mind
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects low voltage brownouts (88V+) and surges (+/-13%) without draining battery. Boosts or trims to stable 120V. Extends runtime for blackouts; Active PFC compatible for gaming PCs
- REPLACEABLE BATTERY & ENERGY STAR UPS: User-replaceable battery (APCRBC124, sold separately) for zero-downtime swaps. ENERGY STAR certified for 92%+ efficiency, cutting energy costs vs standard UPS units
- LCD DISPLAY PANEL: Features an intuitive LCD screen that displays real-time status information including battery charge level, estimated runtime, load capacity, and input voltage for easy monitoring of your power protection system
- COMPREHENSIVE SURGE PROTECTION: Safeguards connected equipment from damaging power surges and spikes with multi-level protection including battery backup outlets, surge-only outlets, coaxial line protection, and Ethernet port protection
The APC BX1500M UPS Battery Backup is designed for heavy electronics. With a capacity of 1500VA/900W, it can handle a variety of devices. This unit provides extended runtime, lasting up to 68 minutes at a 100W load. Compared to other models, it stands out for its high capacity and long backup time.
This UPS is particularly beneficial for users with multiple devices needing power during outages. However, it can be larger and bulkier than lower-capacity options. Its size may not be suitable for smaller spaces.
If you need reliable power for high-demand electronics, this unit is a strong candidate. If your needs are less demanding, you might find it too powerful.
Pros
- 1500VA/900W capacity for demanding devices
- Extended runtime of up to 68 minutes
- Ideal for multiple electronics
Cons
- Bulky design requires more space
- Overkill for basic users
Best for: Users with multiple high-demand devices. Not ideal for: Smaller setups or basic use.
A strong choice for those needing significant power during outages.
8. Best Value
CyberPower ST625U Standby UPS Battery Backup and Surge Protector
- 625VA/360W Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P plug with 5 foot power cord
- 2 USB CHARGING PORTS: Share 2.1 amps to charge and power tablets, smartphones, MP3 players, and other mobile devices; LED STATUS LIGHTS: indicates Power-On and Wiring Fault
- 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 BATTERY; Connected Equipment Guarantee up to 100,000; PowerPanel Management Software (Available for Download); UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The CyberPower ST625U Standby UPS Battery Backup is an excellent choice for moderate power needs. With a capacity of 625VA/360W, it can support essential devices during outages. This model features eight outlets, four of which are for battery backup. When compared to the ST425, it offers higher capacity and flexibility for additional devices.
This UPS is perfect for home offices and entertainment systems. It protects your devices while providing enough power for various uses. However, it may not serve users needing higher capacity for demanding setups.
If you require a reliable UPS for moderate usage, the ST625U is a great fit. Those with heavy electronics may want to consider more powerful options.
Pros
- 625VA/360W capacity for moderate devices
- Eight outlets for flexibility
- Ideal for home office setups
Cons
- Limited capacity for high-demand devices
- May not support extensive setups
Best for: Users with moderate power needs for home use. Not ideal for: Heavy-duty equipment.
A versatile option for moderate power requirements.
Ups Compared Side by Side
This table compares the cheapest ups options available. It shows key specifications like capacity, number of outlets, and type of power output. Use the columns to find the best option for your needs.
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We gathered data from manufacturer websites, customer reviews, and expert opinions. Sources include CyberPower and APC official pages. We focused on products that are popular and well-rated by users.
How we built this shortlist
We initially looked at over 20 different UPS models. We filtered for those with a minimum of 400VA capacity and positive user feedback. From there, we narrowed it down to the best eight based on performance and value.
What we ruled out and why
We excluded models with less than 400VA capacity, as they do not provide adequate backup power. We also dropped products with consistently low ratings or negative user reviews.
What we did not do
No hands-on testing was conducted. We did not take lab measurements or assign subjective scores to the products. All information is based on publicly available data.
How often this page is updated
We plan to update this page every six months. This schedule will keep the information relevant as new products are released and existing models are reviewed.
What to look for
Power Capacity
Power capacity is measured in VA (volt-amperes) and watts. A higher VA means more devices can be powered. For most home use, aim for at least 600VA. This ensures you have enough power during outages.
Number of Outlets
The number of outlets matters for connecting devices. Look for models with at least six outlets if you want to connect multiple devices. Consider if you need battery backup outlets or just surge protection.
Runtime
Runtime indicates how long the UPS can power devices during an outage. Look for models that offer at least 10-15 minutes of runtime at full load. This allows time for safe shutdowns of your equipment.
Sine Wave Output
Sine wave output provides smoother power. It’s better for sensitive equipment, such as computers. If you use high-end devices, look for a model with pure sine wave output. This helps prevent damage.
Design and Size
Consider how much space you have for the UPS. Compact designs can fit into tighter spaces. However, larger units may offer better cooling and more features but will take up more room.
How to Choose Ups
Determine Your Power Needs
Calculate the wattage of the devices you want to connect. Add them up and select a UPS that exceeds this total. Aim for a UPS that offers at least 20% more capacity than your total.
Consider Future Expansion
Think about potential future needs. If you plan to add more devices, choose a UPS with a higher capacity. This will save you from needing to upgrade soon after your purchase.
Evaluate Outlet Configuration
Look at the outlet configuration. Make sure there are enough battery backup outlets for important devices. If you have multiple devices, a UPS with at least six outlets is recommended.
Check for Additional Features
Some UPS units come with extra features like LCD displays, surge protection, and eco modes. Assess which features are important to you. These can enhance usability and provide more information during outages.
Review Warranty and Support
Check the warranty on the UPS. A longer warranty often indicates better quality. Also, consider the manufacturer’s customer support reputation, as this can be important for troubleshooting issues.
Frequently asked questions
What is the cheapest ups available?
The cheapest ups may vary, but models like the APC BE425M are often recognized for their budget-friendly options.
How long does a UPS last during an outage?
Runtime varies by model. Many UPS units provide between 10 to 30 minutes during an outage, depending on the load.
What is a sine wave UPS?
A sine wave UPS produces a smooth electrical output. It’s better for sensitive electronics compared to a simulated sine wave.
Can a UPS protect against surges?
Yes, many UPS units offer surge protection. This helps safeguard your devices from power spikes.
Is a higher VA better for a UPS?
Yes, a higher VA rating indicates more power capacity. This means you can connect more devices or run them longer during outages.
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