CyberPower ST425
4.4Editor score
425VA capacity
8 outlets total
LED status lights
Compact design
In this guide
A reliable Cyberpower UPS Battery ensures your critical electronics stay protected during unexpected outages or power surges. These units provide seamless transition power to prevent data loss and hardware damage.
We evaluated ten top models based on voltage capacity, outlet configurations, and battery longevity. Our analysis covers everything from entry-level standby systems to advanced sinewave solutions for sensitive equipment.
Each pick highlights key strengths and ideal use cases for your setup. Please note that pricing and availability fluctuate frequently, so verify current details before making your final purchase decision today.
Top 3 Picks for Best Cyberpower UPS Battery
CyberPower CP1500PFCLCD
4.5Editor score
PFC Sinewave output
12 outlets total
Color LCD display
USB charge ports
CyberPower CPS1500AVR
4.5Editor score
900W output
10 foot cord
Server protection
Remote management ready
Top 10 Best Cyberpower UPS Battery in 2026 Compared
The following table provides a side-by-side overview of the top ten Cyberpower UPS Battery units, highlighting essential specifications to help you compare capacity and features quickly.
ProductsSpecificationsEditor scorePrice
Editor's Choice
CyberPower CP1500PFCLCD
1500VA/1000W
12 outlets
Sinewave output
Color LCD
4.5Editor score
Editor's Choice
CyberPower CP1500AVRLCD3
1500VA/900W
12 outlets
Simulated sine wave
Color LCD
4.5Editor score
Best Premium
CyberPower EC850LCD
850VA
12 outlets
ECO Mode
LCD display
4.4Editor score
CyberPower ST425
425VA/260W
8 outlets
Standby UPS
LED indicators
4.4Editor score
CyberPower RB1290
12V/9Ah
Replacement battery
User installable
Maintenance free
4.6Editor score
CyberPower RB1290X2
Two 12V batteries
Replacement cartridge
User installable
High capacity
4.6Editor score
CyberPower AVRG900LCD
900VA/480W
12 outlets
Data line protection
LCD panel
4.6Editor score
CyberPower RB1280X2B
Two 12V batteries
Replacement cartridge
User installable
Specific models
4.6Editor score
CyberPower RB12170X2A
12V/17Ah
Two batteries
High capacity
User installable
4.8Editor score
CyberPower CPS1500AVR
1500VA/900W
8 outlets
10 foot cord
Remote ready
4.5Editor score
1. CyberPower CP1500PFCLCD – Best Overall Cyberpower UPS Battery
CyberPower CP1500PFCLCD
1500VA 1000W
12 outlets
Sinewave output
Color LCD
The CyberPower CP1500PFCLCD stands out as the top choice for users needing robust power protection. With a 4.5 star rating, this unit offers pure sinewave power critical for Active PFC power supplies.
Pros
- Pure sinewave output
- High 1000W power
- Color LCD display
- USB charge ports
- Strong connected equipment guarantee
Cons
- Higher price point
- Heavier weight
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It provides 1500VA capacity with 1000W output, ensuring even demanding workstations stay online during outages. The color LCD panel delivers immediate battery and power condition updates, while six battery backup outlets safeguard your core gear.
While the price is higher than basic models, the $500,000 connected equipment guarantee and three-year battery warranty justify the investment. The automatic voltage regulation corrects minor fluctuations without draining the battery, extending its lifespan.
This model is ideal for power users, gamers, and professionals whose computers require clean energy. Its combination of high capacity and advanced features makes it the best overall Cyberpower UPS Battery for reliable performance.
Sinewave Power for Active PFC
The pure sinewave output ensures compatibility with Active PFC power supplies found in modern PCs, preventing shutdowns during low voltage conditions.
Advanced Monitoring Display
The multifunction color LCD panel provides detailed real-time data on battery health and load levels, alerting you to potential issues before they cause downtime.
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2. CyberPower CP1500AVRLCD3 – Best Simulated Sinewave Option
CyberPower CP1500AVRLCD3
1500VA 900W
12 outlets
Simulated sine wave
Color LCD
The CyberPower CP1500AVRLCD3 offers excellent value with its 1500VA capacity and intelligent LCD interface. Rated 4.5 stars, it is a strong contender for those who need substantial backup power without the premium price tag.
Pros
- Affordable high capacity
- Color LCD panel
- USB Type C port
- Automatic voltage regulation
- Three year warranty
Cons
- Simulated sine wave only
- Not for Active PFC
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It delivers 900W of power using simulated sine wave technology, which works well for standard computers and home entertainment systems. The color LCD alerts you to power issues, and USB ports keep mobile devices charged during an outage.
Although it lacks pure sinewave output required for Active PFC supplies, it remains a versatile choice for general home and office use. The automatic voltage regulation helps protect equipment from minor fluctuations without switching to battery.
Buy this unit if you want reliable backup for gaming consoles or standard workstations. It strikes a great balance between performance and cost, making it a smart pick for budget conscious shoppers.
Intelligent LCD Interface
The color display provides immediate updates on battery status and power conditions, helping you manage your energy usage effectively.
High Output for Home Use
With 900W output, this model supports multiple devices simultaneously, ensuring your entertainment center remains operational during power interruptions.
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3. CyberPower EC850LCD – Best Eco Friendly UPS
CyberPower EC850LCD
850VA Capacity
12 outlets
ECO Mode
LCD panel
The CyberPower EC850LCD distinguishes itself with its ECO mode feature designed to reduce energy waste. With a 4.4 star rating, it is an excellent choice for environmentally conscious users seeking basic yet effective power protection.
Pros
- Energy saving ECO mode
- 12 outlets total
- Affordable price
- Clear LCD display
- Connected equipment guarantee
Cons
- Lower wattage than others
- Shorter cord length
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When your computer enters sleep mode, the ECO mode outlets automatically cut power to connected peripherals like printers or speakers. This feature helps lower energy costs significantly over time while maintaining essential backup for your main PC.
The unit offers 850VA capacity with six battery backup outlets and six surge-only outlets. While it lacks advanced voltage regulation, the LCD panel ensures you are always aware of battery levels and system status.
This UPS is perfect for home offices where energy efficiency is a priority. If you want to reduce your carbon footprint and save on electricity bills, the EC850LCD is the ideal Cyberpower UPS Battery for your needs.
Automated Peripherals Control
The ECO mode detects when the computer is off and shuts down unused outlets, preventing phantom power draw and saving money.
Comprehensive Surge Protection
With twelve total outlets, this unit offers ample connectivity for all your office devices while providing targeted surge protection for sensitive gear.
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4. CyberPower ST425 – Best Budget Cyberpower UPS Battery
CyberPower ST425
425VA 260W
8 outlets
Standby UPS
LED lights
The CyberPower ST425 is the most accessible option for basic power protection needs. Rated 4.4 stars, this unit is ideal for small home office setups where cost is the primary deciding factor.
Pros
- Very affordable
- Compact size
- Simple operation
- LED status indicators
- UL safety certified
Cons
- Limited capacity
- Basic surge only
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It provides 425VA capacity with four battery backup outlets and four surge protected outlets. While the wattage is lower, it is sufficient to keep a single monitor and router running during short outages.
The greenpower high efficiency design reduces overall power consumption. LED lights indicate power status and wiring faults, ensuring you know the unit is functioning correctly without needing a complex display.
If you need a no fuss device to protect a gaming console or basic workstation, this is the right pick. It offers essential safety features at a fraction of the cost of larger models.
High Efficiency Design
The GreenPower UPS technology utilizes a compact charger and inverter to create an ultra efficient backup system that saves energy.
Simple Status Indicators
Easy to read LED lights show power status and alert you to wiring faults, ensuring the unit is always ready to perform.
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5. CyberPower RB1290 – Best Replacement Battery
CyberPower RB1290
12V 9Ah
User installable
Maintenance free
Compatible models
The CyberPower RB1290 is essential for maintaining the longevity of compatible UPS units. With a 4.6 star rating, this replacement cartridge ensures your system remains functional when the original battery degrades over time.
Pros
- Simple installation
- Maintenance free
- Extends UPS life
- Highly rated
- Recyclable packaging
Cons
- Replacement only
- Specific compatibility
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It is a sealed lead-acid battery that is completely maintenance-free and easy to install. Users can simply replace the old unit without needing professional help, restoring full battery backup capabilities to your existing hardware.
This cartridge is compatible with models like the CP1000AVRLCD and CP1000PFCLCD. The packaging is reusable, allowing for convenient delivery of expired batteries to recycling centers for proper disposal.
When your UPS starts showing battery warnings, this cartridge is the straightforward solution. It restores the protection your data relies on without requiring a whole new UPS purchase.
User Friendly Installation
Designed for quick and convenient installation, this pre-assembled cartridge allows anyone to restore battery power in minutes.
Cost Effective Maintenance
Replacing the battery cartridge is much cheaper than buying a new unit, extending the life of your existing UPS investment significantly.
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6. CyberPower RB1290X2 – Best Dual Battery Kit
CyberPower RB1290X2
Two batteries
12V 9Ah
User installable
High capacity
The CyberPower RB1290X2 provides a dual battery solution for models requiring higher capacity. Rated 4.6 stars, it restores life to larger UPS systems that need more energy storage for longer backup times.
Pros
- Dual battery system
- Higher runtime
- Easy install
- Maintenance free
- Good for larger UPS
Cons
- Higher cost
- Requires specific UPS
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This cartridge includes two 12V sealed lead-acid batteries, delivering robust power-to-weight ratios. It fits models like the BRG1500AVRLCD and CP1500PFCLCD, offering a straightforward way to upgrade battery performance.
The installation process is simple and user-friendly, making it accessible for anyone maintaining their home server or office equipment. The included packaging helps you recycle old batteries safely and efficiently.
If you have a high-demand UPS setup, this kit is vital for sustained protection. It ensures your equipment stays online longer during extended outages without needing new hardware.
Extended Backup Runtime
The dual 12V battery configuration increases overall capacity, allowing critical equipment to stay powered for longer periods during an outage.
Sealed Maintenance-Free Design
This sealed lead-acid battery never requires fluid replacement, ensuring reliable performance with zero maintenance requirements over its lifespan.
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7. CyberPower AVRG900LCD – Best Value 900VA UPS
CyberPower AVRG900LCD
900VA 480W
12 outlets
Data line protection
LCD panel
The CyberPower AVRG900LCD offers excellent features for its size, including data line protection. With a 4.6 star rating, it is a fantastic choice for users with modems or phone lines needing surge protection.
Pros
- Data line protection
- Color LCD
- Automatic voltage regulation
- 12 outlets
- Strong guarantee
Cons
- Smaller capacity
- Basic sine wave
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It uses simulated sine wave technology to safeguard desktops and networking gear. The intelligent LCD panel displays detailed battery and power conditions, while automatic voltage regulation corrects minor fluctuations without draining the battery.
The data line protection prevents surges from traveling through telephone lines, adding an extra layer of security for connected peripherals. It includes twelve outlets, providing ample space for various devices.
This model is best for home offices with sensitive networking equipment. It balances performance and price well, offering essential protection features that many competitors lack at this price point.
Data Line Surge Protection
This feature prevents power surges traveling through telephone lines from damaging electronics, safeguarding your modem and phone equipment.
Intelligent Monitoring
The LCD panel provides real-time updates on battery health and load, helping you monitor power status effectively.
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8. CyberPower RB1280X2B – Best Specific Replacement Kit
CyberPower RB1280X2B
Dual batteries
12V 9Ah
User installable
Model specific
The CyberPower RB1280X2B is designed for specific older models requiring dual battery cartridges. Rated 4.6 stars, it is a critical component for maintaining CP1500PFCLCD units with specific serial number prefixes.
Pros
- Two batteries included
- Simple install
- Maintenance free
- Restores life
- Reliable performance
Cons
- Limited compatibility
- Specific to older models
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It comes with two 12V sealed lead-acid batteries that are maintenance-free and pre-assembled. This kit restores power capabilities quickly, ensuring your UPS can protect critical equipment without delay.
The packaging is reusable to help you recycle old batteries properly. It is a straightforward, cost-effective way to extend the life of your existing hardware instead of buying new gear.
If your UPS battery is depleted and you have a compatible model, this is the right replacement. It brings your system back to full performance with minimal effort and hassle.
Restores Full Power
This dual battery cartridge brings weak or depleted UPS systems back to full functionality, ensuring continuous protection for your devices.
Simple DIY Installation
The pre-assembled cartridge allows for quick installation without special tools, making maintenance easy for any user.
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9. CyberPower RB12170X2A – Best High Capacity Replacement
CyberPower RB12170X2A
12V 17Ah
Dual batteries
User installable
High capacity
The CyberPower RB12170X2A delivers high capacity power with its 17Ah rating. Rated 4.8 stars, this cartridge is perfect for users needing maximum runtime from their compatible UPS models.
Pros
- Higher amp hour rating
- Dual batteries
- Restores runtime
- User installable
- Top rated
Cons
- Expensive
- Heavy
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It includes two 12V sealed lead-acid batteries that provide substantial surge current and energy density. This ensures your PR1500LCD series systems remain operational for longer periods during extended outages.
Installation is quick and user-friendly since the cartridge is pre-assembled. The packaging supports recycling efforts, allowing for easy disposal of old batteries in an environmentally friendly manner.
This is the ultimate choice for critical environments requiring extended backup. If maximum uptime is your priority, this high capacity cartridge guarantees reliable and robust battery performance.
High Energy Density
With 17Ah capacity, this battery stores more energy than standard models, providing significantly longer backup runtime for your equipment.
Sealed Technology
Sealed lead-acid construction ensures reliability and safety without any maintenance needs, offering consistent performance over many cycles.
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10. CyberPower CPS1500AVR – Best Premium Cyberpower UPS Battery
CyberPower CPS1500AVR
1500VA 900W
10 ft cord
Remote ready
Server grade
The CyberPower CPS1500AVR is a premium unit designed for servers and telecom installations. With a 4.5 star rating, it offers robust protection and specialized features for professional environments.
Pros
- 10 foot power cord
- Server protection
- Remote management ready
- High equipment guarantee
- AVR included
Cons
- Very expensive
- Fewer outlets
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It provides 1500VA capacity with eight outlets and a massive 10-foot power cord. This allows for flexible placement in server rooms while maintaining clean connections to wall outlets.
Optional remote management support via RMCARD205 allows for monitoring from anywhere. The LED status lights clearly indicate conditions, ensuring you are always aware of power and battery health.
If you need enterprise-grade reliability for workgroup servers, this is the model to choose. The high connected equipment guarantee and AVR features make it a worthy investment for critical infrastructure.
Long Power Cord
The included 10-foot cord offers flexible placement for your equipment, making installation easier in tight server rooms.
Remote Management Ready
Support for optional remote cards allows advanced users to monitor and control the UPS from a central management console.
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Buying Guide – How to Choose the Best Cyberpower UPS Battery
Selecting the right UPS requires understanding key technical factors. Here is what to look for to ensure your electronics stay protected.
VA and Wattage Capacity
VA (Volt-Ampere) and wattage determine how much load the UPS can support. Ensure the watts rating matches your equipment needs to avoid overloading the system.
Check total wattage of devices to select proper capacity.
Waveform Type
Pure sinewave is required for Active PFC power supplies common in modern PCs. Simulated sine wave works for most basic electronics but may cause issues with sensitive gear.
Choose sinewave for Active PFC power supplies.
Battery Runtime
Runtime depends on load; higher loads drain batteries faster. Check manufacturer charts to estimate how long your specific equipment will run on battery.
Match runtime expectations to your critical needs.
Number of Outlets
Ensure there are enough battery-backed outlets for critical devices. Surge-only outlets protect less critical gear like monitors without reducing backup time.
Count devices to pick correct outlet numbers.
Connectivity Features
USB ports allow easy monitoring and shutdown software. Look for data line protection if you have modems or phone lines needing shielding.
Prioritize USB and data protection for smart homes.
Physical Size
Larger batteries mean better runtime but more space. Measure your desk or server rack space to ensure the unit fits comfortably without clutter.
Check dimensions before buying to save space.
Warranty and Support
Most CyberPower units offer a 3-year warranty including the battery. Connected equipment guarantees add financial protection for your gear against surges.
Check warranty terms for peace of mind.
Cost vs Value
Higher capacity and features increase price. Balance your budget against the criticality of the equipment you are protecting to get the best value.
Buy based on needs not just price.
How to Use and Care for Your Cyberpower UPS Battery
Plug the UPS into a wall outlet and connect your devices to the battery-backed outlets on the back. Ensure the surge protectors are enabled for full protection.
Test the unit every few months by unplugging it to verify the battery kicks in. Listen for the beep and check if your devices stay powered on.
Replace the battery when runtime decreases noticeably or error LEDs flash. Most CyberPower units allow simple user installation of replacement cartridges for easy maintenance.
Frequently Asked Questions
How long does a CyberPower UPS battery last?
Most batteries last three to five years depending on usage cycles. Heavy loads or high temperatures can shorten lifespan. Replacing the cartridge restores full performance.
Can I use a UPS with a gaming PC?
Yes, but check if your PSU has Active PFC. If so, use a pure sinewave model like the CP1500PFCLCD to avoid shutting down during power dips.
Do these units protect against lightning?
They provide surge protection for connected devices. However, direct lightning strikes are beyond their design. They handle common electrical surges effectively.
How do I know when to replace the battery?
The UPS will beep or show a battery low indicator when power is low. Also if shutdown happens quickly after unplugging, it is time for a new cartridge.
Are replacement batteries compatible across models?
No, cartridges are model-specific. Always check your model number on the box to ensure the replacement battery fits your specific UPS unit correctly.
Does the UPS need to be reset after outage?
No, they auto-charge and auto-protect. Once power returns, simply plug it back in. It will recharge the battery automatically for next use.
Final Thoughts on Choosing the Best Cyberpower UPS Battery
The CyberPower CP1500PFCLCD leads with pure sinewave power and advanced monitoring for professional needs. For budget shoppers, the ST425 offers essential protection at minimal cost.
Prioritize capacity and waveform type based on your hardware. Active PFC users need sinewave models while standard desktops can use simulated sine wave options.
Prices change frequently so confirm availability before purchasing. Regular maintenance and timely battery replacements ensure your UPS remains reliable when power fails.