CyberPower ST425
4.4Editor score
Affordable Entry Level Price
Eight Outlets Total
Energy Efficient Design
In this guide
Uninterruptible power supplies are essential for protecting your electronics from sudden outages and surges. A quality Cyberpower UPS battery ensures your devices stay online during power issues without interruption.
We evaluated ten top models based on capacity, outlet count, and advanced features like AVR and LCD displays. Each product offers distinct advantages for home offices, gaming setups, or professional environments.
Every selection highlights key strengths and potential trade-offs to match your specific needs. Please note that pricing fluctuates frequently so verify current costs before making your final purchase decision.
Top 3 Picks for Best Cyberpower UPS Battery
CyberPower CP1500PFCLCD
4.5Editor score
Pure Sine Wave Output
Twelve Outlets Available
Color LCD Display Panel
CyberPower CPS1500AVR
4.5Editor score
High Capacity Protection
Long Power Cord Included
Remote Management Ready
Top 10 Best Cyberpower UPS Battery in 2026 Compared
This side-by-side comparison outlines the key specifications and capabilities of every model reviewed in this guide to help you quickly identify the best fit for your power protection needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
CyberPower CP1500PFCLCD
1500VA 1000W Capacity
Pure Sine Wave Output
12 Outlets Total
Color LCD Display
4.5Editor score
Editor's Choice
CyberPower CP1500AVRLCD3
1500VA 900W Capacity
Simulated Sine Wave
12 Outlets Total
Color LCD Display
4.5Editor score
Best Premium
CyberPower EC850LCD
850VA Capacity
EC Mode for Savings
12 Outlets Total
Multifunction LCD Panel
4.4Editor score
CyberPower ST425
425VA 260W Capacity
Simulated Sine Wave
8 Outlets Total
LED Status Lights
4.4Editor score
CyberPower RB1290
Replacement Battery Cartridge
12V 9Ah Rating
User Installable Design
18 Month Warranty
4.6Editor score
CyberPower RB1290X2
Dual Battery Pack
12V 9Ah Per Unit
User Installable Design
18 Month Warranty
4.6Editor score
CyberPower AVRG900LCD
900VA 480W Capacity
Simulated Sine Wave
Data Line Protection
12 Outlets Total
4.6Editor score
CyberPower RB1280X2B
Dual Battery Pack
12V 9Ah Per Unit
User Installable Design
18 Month Warranty
4.6Editor score
CyberPower RB12170X2A
Dual Battery Pack
12V 17Ah Per Unit
User Installable Design
18 Month Warranty
4.8Editor score
CyberPower CPS1500AVR
1500VA 900W Capacity
Simulated Sine Wave
10 Foot Cord
Remote Management Ready
4.5Editor score
1. CyberPower CP1500PFCLCD – Best Overall Cyberpower UPS Battery
CyberPower CP1500PFCLCD
1500VA 1000W
Pure Sine Wave
12 Outlets
Color LCD Panel
The CyberPower CP1500PFCLCD stands out as a top tier choice for users needing reliable power backup. With a 4.5 star rating it delivers consistent performance for computers and network gear using pure sine wave technology.
Pros
- Pure sine wave protects sensitive electronics
- Twelve outlets provide ample connectivity
- Color LCD offers detailed power insights
- Automatic voltage regulation reduces battery use
- Includes USB charge ports for devices
Cons
- Higher price point than basic models
- Unit is somewhat heavy to move
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Its 1500VA capacity supports substantial loads while the twelve outlets allow comprehensive setup protection. The color LCD screen provides immediate feedback on power conditions helping users monitor status effectively.
While it carries a premium price its built AVR extends battery life by correcting fluctuations without switching to battery power. This efficiency makes it a smart long term investment despite the initial cost.
Ideal for home offices and tech enthusiasts it balances power and usability well. If you prioritize equipment safety and detailed monitoring this model is a highly recommended selection.
Pure Sine Wave Technology
This feature ensures compatibility with Active PFC power supplies found in modern computers preventing potential hardware damage during outages.
Advanced Monitoring Display
The tilting color LCD panel gives users precise data on load and battery health enabling proactive management of connected equipment.
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2. CyberPower CP1500AVRLCD3 – Excellent Workstation Backup
CyberPower CP1500AVRLCD3
1500VA 900W
Simulated Sine Wave
12 Outlets
Color LCD Panel
The CyberPower CP1500AVRLCD3 offers strong value with its high VA rating and intelligent display. It receives solid user feedback for safeguarding workstations and home entertainment systems against power disturbances effectively.
Pros
- Affordable price for high capacity
- Twelve outlets support large setups
- Color LCD provides clear status info
- AVR corrects minor voltage issues
- USB ports for quick device charging
Cons
- Simulated sine wave not ideal for all gear
- Plastic casing may feel less robust
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With twelve outlets it handles extensive peripheral connections easily. The color LCD screen ensures you are always aware of power conditions and battery life at a glance for peace of mind.
Its simulated sine wave output suits most conventional electronics but may not be suitable for servers with Active PFC. The AVR feature helps save battery by fixing minor fluctuations automatically during normal operation.
This unit is best suited for general home or office use where cost efficiency matters. If you need broad protection for many devices this model delivers reliable performance at a fair price point.
Intelligent LCD Interface
Users can see real-time updates on battery status and power conditions which helps prevent unexpected shutdowns during critical tasks.
Automatic Voltage Regulation
This function stabilizes incoming power without draining the battery ensuring longer backup times when outages actually occur.
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3. CyberPower EC850LCD – Best for Energy Efficiency
CyberPower EC850LCD
850VA Capacity
EC Mode Feature
12 Outlets
LCD Panel
The CyberPower EC850LCD introduces an Eco Mode that reduces power consumption by cutting power to peripherals when devices sleep. This eco friendly approach makes it a popular choice for environmentally conscious users seeking efficiency.
Pros
- Eco Mode saves on energy costs
- Twelve outlets for broad setup
- Affordable price point
- Clear LCD status display
- Compact footprint for desks
Cons
- Lower VA capacity than 1500 models
- Eco Mode requires specific outlet use
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It provides twelve outlets with six offering full backup protection. The multifunction LCD panel delivers essential information about battery and power conditions ensuring you stay informed during operation.
While its capacity is lower than higher end units it still covers typical desktop and router needs. The trade-off is a smaller runtime for heavy loads but the energy savings often justify the choice.
This UPS is ideal for users wanting to lower their energy footprint without sacrificing core backup features. If cost and efficiency are your priorities this model offers a smart and practical solution.
Eco Mode Functionality
When your computer turns off the system automatically cuts power to connected peripherals like monitors reducing wasted electricity during idle times.
Surge Protection
Six outlets receive full surge and battery protection while others offer surge only balancing cost and performance for different device types.
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4. CyberPower ST425 – Best Budget Cyberpower UPS Battery
CyberPower ST425
425VA 260W
Simulated Sine Wave
8 Outlets
LED Status
The CyberPower ST425 is the most affordable option for essential power protection. It is designed for small home offices or entertainment systems where budget constraints are a primary concern for buyers.
Pros
- Lowest price in lineup
- Eight outlets for basic setups
- LED status lights for quick checks
- Compact design fits anywhere
- Green Power high efficiency
Cons
- Limited VA capacity for large gear
- No USB charging ports included
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Eight outlets provide enough room for a PC router and basic peripherals. The LED status lights make it easy to check power and wiring faults at a glance without needing a complex display.
Its efficiency design reduces consumption while in standby mode. The lower capacity means it is not suitable for high load devices but it handles routers and laptops well for short duration outages.
This unit is perfect for entry level protection where cost is key. If you need basic safeguarding for essential electronics this model delivers value and reliability without breaking the bank.
GreenPower Efficiency
Using a compact charger and inverter this model minimizes power draw ensuring it does not add unnecessarily to your electricity bill.
Simple Status Indicators
LED lights provide immediate visual feedback on power and fault conditions keeping monitoring simple and straightforward for all users.
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5. CyberPower RB1290 – Best Replacement Cartridge
CyberPower RB1290
12V 9Ah Battery
User Installable
Maintenance Free
18 Month Warranty
The CyberPower RB1290 is a dedicated replacement cartridge designed to extend the life of compatible UPS units. It allows owners to maintain their existing system without purchasing a entirely new backup device.
Pros
- Restores UPS to original performance
- User installable without tools
- Sealed lead acid reliable design
- Reusable packaging for recycling
- Solid warranty coverage
Cons
- Only for specific CP models
- Replacement cost adds to ownership
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Its sealed lead acid construction ensures robust performance and a maintenance free experience. The user installable design means you can swap it out quickly to restore backup capability in minutes.
While it fits specific models like the CP1000 series it offers a cost effective path to renewed protection. The included packaging helps with proper disposal of the old battery for environmental safety.
This product is essential for anyone with an older CyberPower UPS that has worn out. If you want to save money on upgrades this cartridge keeps your current setup running efficiently.
User Installable Design
The pre assembled cartridge allows quick swapping without technical skills ensuring your UPS is back online rapidly after the change.
Recycling Program
Comes with reusable packaging to safely deliver the expired battery to recycling centers promoting safe disposal practices.
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6. CyberPower RB1290X2 – Dual Battery Solution
CyberPower RB1290X2
Two 12V 9Ah Batteries
User Installable
Sealed Lead Acid
18 Month Warranty
The CyberPower RB1290X2 provides dual batteries for restoring older CyberPower systems that require two cells. It is ideal for users needing to extend runtime on larger home or office backups without buying new hardware.
Pros
- Restores larger UPS capacity fully
- Two batteries for extended runtime
- Maintenance free lead acid design
- Easy quick installation process
- Includes recycling packaging
Cons
- Limited to specific BRG and CP models
- Higher cost than single cartridge
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Both 12V 9Ah units are maintenance free and pre assembled. The installation is straightforward enabling you to bring a depleted unit back to life quickly and safely for continued protection.
It supports models like the CP1500 and BRG series. The reusable packaging ensures that the old batteries can be recycled properly minimizing environmental impact while restoring power reliability.
This kit is best for owners of higher capacity units seeking a refresh. If you have a compatible system this dual pack offers a cost effective way to maintain extended backup times.
Dual Battery Restoration
Replacing both cells at once ensures balanced performance across the system preventing weak links that could cause premature failure.
Extended Runtime Support
With two fresh batteries the UPS can sustain connected devices for longer periods during unexpected power outages ensuring safety.
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7. CyberPower AVRG900LCD – Strong Mid Tier Option
CyberPower AVRG900LCD
900VA 480W
Simulated Sine Wave
12 Outlets
Data Line Protection
The CyberPower AVRG900LCD delivers balanced performance for mid range power needs. It is well suited for protecting workstations and home entertainment setups while offering valuable line protection features for peace of mind.
Pros
- Twelve outlets for versatile use
- Data line protection included
- Clear LCD status display
- AVR for voltage stability
- Three year warranty coverage
Cons
- Medium capacity limits heavy loads
- Simulated sine wave for PCs
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Twelve outlets allow flexibility for multiple devices. The data line protection adds an extra layer of defense against surges traveling through phone lines which can damage sensitive networking gear easily.
Its intelligent LCD panel keeps you informed on battery and power status. The AVR function helps manage minor voltage fluctuations without draining the battery unnecessarily during normal power supply operations.
This unit fits users needing more than basic protection but not full enterprise capacity. If you require extra data line safety and broad outlet count this model is a reliable and practical choice.
Data Line Protection
This feature guards against surges on phone lines protecting modems and routers from damage that standard power outlets might not cover.
Intelligent LCD Display
The display provides clear details on power conditions enabling quick assessment of system health at any given time.
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8. CyberPower RB1280X2B – Specific Replacement Kit
CyberPower RB1280X2B
Two 12V 9Ah Batteries
User Installable
Maintenance Free
18 Month Warranty
The CyberPower RB1280X2B is designed specifically for certain CP1500PFCLCD models to restore their power capacity. It allows owners of these specific units to renew their system without the expense of a full replacement.
Pros
- Matches specific CP1500 variants
- Restores battery life fully
- Maintenance free sealed design
- Easy installation process
- Recycling packaging included
Cons
- Only fits specific serial number units
- Cost of replacement adds up
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It contains two maintenance free sealed lead acid batteries pre assembled for ease. The installation is user friendly so you can quickly get your backup system operational again after a battery failure.
Note that it only works with units bearing specific serial number prefixes. This precision ensures compatibility and safety but requires checking your device model before purchasing to avoid mismatches.
This kit is best for users with a compatible older unit needing a refresh. If you confirm your model fits this cartridge offers a practical and efficient way to maintain your power security.
Compatibility Precision
Designed for specific serial numbers it ensures a secure fit and correct electrical match for your existing UPS system.
Quick Restoration
Pre assembled cells mean less time spent on installation so your devices are protected quickly after the swap.
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9. CyberPower RB12170X2A – High Capacity Replacement
CyberPower RB12170X2A
Two 12V 17Ah Batteries
User Installable
High Capacity
18 Month Warranty
The CyberPower RB12170X2A delivers higher capacity replacement for select PR series UPS models. Its 17Ah batteries provide extended runtime to keep critical devices running longer during unexpected outages effectively.
Pros
- Higher Ah rating for runtime
- Restores PR series UPS fully
- Maintenance free sealed design
- Pre assembled for easy install
- Recycling packaging included
Cons
- Only fits PR1500 series
- Higher price than standard units
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It comes with two sealed lead acid cells designed for user installation. The maintenance free design ensures robust performance without the need for fluid checks or extra upkeep over the warranty period.
This cartridge is specifically for PR1500 models which often handle larger loads. The extra capacity is valuable for users needing maximum run time when main power fails during peak work hours.
Ideal for owners of compatible high end units this kit ensures longevity. If you need extended backup time this cartridge provides a superior power solution for your system.
High Capacity 17Ah Batteries
The increased ampere hour rating allows for longer backup durations keeping essential hardware powered for more time.
PR Series Compatibility
Designed for PR1500 models this cartridge ensures exact match for maximum performance and safety during operation.
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10. CyberPower CPS1500AVR – Best Premium Cyberpower UPS Battery
CyberPower CPS1500AVR
1500VA 900W
Simulated Sine Wave
10 Foot Cord
Remote Management Ready
The CyberPower CPS1500AVR is a premium option for workgroup servers and telecom setups. It delivers high capacity protection and professional grade features like remote management readiness for advanced IT needs.
Pros
- High VA capacity for robust loads
- Ten foot power cord included
- Remote management capability
- AVR for power stability
- Three year warranty included
Cons
- Higher price tag
- Requires card for remote access
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Its 1500VA capacity handles larger loads while the long power cord simplifies placement. The LED status lights offer clear feedback on AVR load and fault conditions without a complex interface.
Optional remote management allows monitoring from a distance. The AVR function ensures voltage stability reducing battery drain. This makes it a powerful choice for environments where uptime is critical.
Best for small business or advanced home users this model prioritizes reliability. If you need high capacity and management features this UPS offers a robust and professional solution.
Remote Management Ready
Adding the optional card enables remote monitoring which is vital for IT admins tracking server status off site.
Long Power Cord
A ten foot cord provides flexibility in positioning the UPS away from walls and desks for better ventilation.
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Buying Guide – How to Choose the Best Cyberpower UPS Battery
Selecting the right UPS requires understanding your power needs and the types of devices you want to protect.
VA Capacity
VA or Volt Ampere capacity determines how much power the UPS can deliver. Higher VA ratings like 1500VA support more devices and run them longer during outages compared to 400VA models.
Choose a capacity that matches your total load to ensure sufficient runtime when you need it most.
Output Waveform
Pure sine wave output is safer for sensitive equipment like Active PFC power supplies. Simulated sine wave works for standard electronics but may cause issues with modern PCs.
For computers with advanced power supplies always prioritize pure sine wave for long term hardware safety.
Outlet Count
The number of outlets affects how many devices you can connect directly. Look for units with enough backup outlets for your PC and router plus surge only outlets for peripherals.
Count your essential gear and ensure the UPS offers enough backed up outlets for uninterrupted operation.
Voltage Regulation
Automatic Voltage Regulation (AVR) stabilizes incoming power without draining the battery. This feature is vital in areas with unstable utility power to extend battery lifespan.
Ensure your model includes AVR to avoid unnecessary battery cycling during minor power fluctuations.
Display Type
LED lights give basic status info while LCD panels show detailed data like load percentage and battery health. Color displays help spot issues before they cause downtime.
Pick a display level that matches how deeply you want to monitor your power system.
USB Charging Ports
Built in USB ports allow you to charge phones or tablets during an outage. This is a convenient extra feature that adds utility beyond powering computers.
If you need to stay mobile on devices ensure the unit has accessible charge ports.
Warranty and Guarantee
Most UPS units come with a three year warranty covering the battery and equipment. Check if the manufacturer offers a connected equipment guarantee for extra financial protection.
A solid warranty ensures support if the unit fails or battery issues arise during use.
Battery Replacement
Batteries eventually wear out so user installable cartridges are a plus. Models designed for easy battery swaps reduce downtime and service costs over the product life.
Look for user installable options to keep your UPS operational without needing professional service.
How to Use and Care for Your Cyberpower UPS Battery
Plug the UPS into a wall outlet and then connect your devices. Press the power button to activate the unit and let it charge fully for twenty four hours before first use.
Regularly check the status display or lights to ensure everything is normal. Test the unit every few months by unplugging it briefly to verify it switches to battery power correctly.
Keep the UPS in a cool dry place and replace the battery every three to five years. Avoid overloading outlets and do not block the ventilation vents on the unit.
Frequently Asked Questions
What does a Cyberpower UPS battery do?
A Cyberpower UPS battery provides backup power when the main electricity fails. It keeps connected devices like computers and routers running for a set time allowing you to save work and shut down safely.
How long will the battery last during an outage?
Runtime depends on the load and model. Smaller units may last minutes while larger ones can run for over an hour with low loads. Always check the load estimation tool provided by the manufacturer.
Do I need a pure sine wave UPS for my PC?
If your PC has an Active PFC power supply you should use a pure sine wave UPS. Standard simulated models can damage modern power supplies or cause shutdowns during outages.
How often should I replace the UPS battery?
Sealed lead acid batteries usually last three to five years. If the unit shows low capacity warnings or shuts down quickly it is time to replace the battery cartridge.
Can I use the USB ports to charge devices?
Many models include USB charge ports that work independently or during backup. They are designed to charge phones and tablets but not high power devices like laptops.
What is Automatic Voltage Regulation?
AVR corrects minor power fluctuations without using the battery. This saves battery life and ensures stable power during brownouts or spikes in your electrical supply.
Is the UPS suitable for gaming PCs?
Yes but choose a model with enough wattage and pure sine wave output. High end PCs draw significant power so verify the UPS capacity matches your system requirements.
How do I recycle my old UPS battery?
Most UPS batteries are recyclable lead acid units. Use the reusable packaging provided by CyberPower for replacement cartridges or take them to local recycling centers for safe disposal.
Final Thoughts on Choosing the Best Cyberpower UPS Battery
We have reviewed ten top options ranging from entry level models to premium solutions. The CP1500PFCLCD leads with pure sine wave protection while the ST425 offers essential backup at a low cost.
Prioritize features like AVR and display clarity based on your environment. For business use consider remote management options while home users may prefer energy efficiency and portability.
Remember to check current pricing and availability before purchasing. Power protection is an investment in your hardware safety so choose a model that fits both your budget and performance needs.