CyberPower 12V 9Ah UPS Replacement Alternatives: 6 Similar Picks Compared
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The CyberPower RB1290X4C ups replacement battery alternatives listed here address users who need reliable backup power but may require different form factors or capacities. This specific cartridge restores function for compatible CyberPower units by providing four 12V/9Ah lead-acid batteries in a maintenance-free, user-installable package. It is designed to fit specific models like the OR2200PFCRT2U, offering a direct swap for depleted internal cells. However, you might seek other options if your equipment requires a different voltage, size, or brand compatibility. Some systems need larger battery packs, while others benefit from integrated UPS units with additional features like LCD monitoring or voltage regulation.
The 6 alternatives on this page were selected because their specifications overlap with the needs met by the original CyberPower cartridge. We compared products based on capacity, form factor, and key features such as voltage regulation and display types. This list includes tower, rackmount, and line interactive options from brands like Tripp Lite, APC, and Eaton. Each pick addresses a specific use case, from basic single-PC backup to server rack protection. You can review the specs to find the best match for your hardware and power requirements.
Our top pick: CyberPower 12V 9Ah UPS Replacement Cartridge.
How alternatives compare to original
Tripp Lite 550VA AVR Tower UPS
The Tripp Lite SMART550USB is a complete tower UPS rather than a replacement battery cartridge. It offers 550VA capacity with automatic voltage regulation for basic single-PC protection. This unit is significantly lighter at 1.05 pounds and smaller in footprint compared to the 27.1-pound CyberPower cartridge. You get a full power protection system instead of just swapping internal cells. This choice suits users who need a standalone unit with voltage regulation rather than a direct cartridge swap for an existing CyberPower chassis. It sacrifices high capacity for space savings and affordability.
Tripp Lite 1500VA 900W 2U Rackmount UPS
The Tripp Lite SMART1500LCD is a 1500VA rackmount unit designed for small server racks. It provides structured power protection with user-replaceable batteries, differing from the pre-assembled CyberPower cartridge. At 29 pounds, it is slightly heavier than the 27.1-pound CyberPower unit but offers much higher capacity. This model fits users who value voltage regulation and expandability over a simple plug-and-play cartridge swap. It is ideal for server environments where 2U form factor and clear status monitoring are required. You trade the simplicity of a single cartridge for a robust, rack-mounted power solution.
APC Back-UPS Pro 1500VA Battery Backup
The APC BR1500G is a 1500VA line interactive UPS for home offices. It provides basic backup and surge control with the option to extend runtime using an additional battery pack. Weighing 21 pounds, it is lighter than the CyberPower cartridge but offers a complete UPS system rather than just replacement cells. This unit suits users who prioritize simple operation and the ability to add more battery capacity later. It differs from the CyberPower model by being a standalone device with a black finish. You get a versatile backup solution instead of a direct replacement for a specific CyberPower chassis.
UPC Large Replacement Battery Pack
The UPC RBC55-UPC is a large replacement battery pack for APC Smart-UPS systems. It contains 24V 18Ah batteries, differing significantly from the 12V 9Ah CyberPower cartridge. Weighing 53.4 pounds, it is much heavier and larger, designed for high-capacity APC units. This option suits users who need domestic assembly and a straightforward plug-and-play installation for APC Smart-UPS 2200VA or 3000VA models. It is not compatible with CyberPower units. You choose this for APC systems requiring robust, high-capacity battery replacement rather than a standard 12V cartridge swap.
Eaton Tripp Lite 1500VA 810W LCD UPS
The Tripp Lite OMNI1500LCDT is a 1500VA tower UPS with an LCD display for real-time power data. It offers automatic voltage regulation and maintenance ease for desktop setups. At 24.6 pounds, it is slightly lighter than the CyberPower cartridge but provides a complete UPS system. This model fits users who value clear status monitoring and voltage regulation over compact size. It differs from the CyberPower unit by being a standalone device with a black finish and LCD interface. You get detailed power information and reliable regulation instead of just replacing internal batteries in an existing chassis.
Eaton 1500VA Line Interactive UPS
The Eaton 5S1500LCD is a 1500VA line interactive UPS with an LCD display for local status visibility. It provides 900W backup with automatic voltage regulation. Weighing 26.1 pounds, it is comparable in weight to the CyberPower cartridge but offers a complete power protection system. This unit suits users who prioritize quiet operation and clear monitoring over remote connectivity. It differs from the CyberPower model by being a standalone device with a black finish and LCD interface. You get reliable backup with real-time data instead of a direct replacement cartridge for a specific CyberPower UPS unit.
Quick picks
Our 7 picks
CyberPower 12V 9Ah UPS Replacement Cartridge
Best for: CyberPower UPS battery replacement
- Battery Chemistry
- Lead-Acid
- Dimensions
- 2.6 × 8.24 × 12.9 inches
- Weight
- 27.1 pounds
View on Amazon: CyberPower 12V 9Ah UPS Replacement Cartridge Affiliate link
This replacement cartridge restores power to CyberPower UPS systems with weak or depleted batteries. It contains four sealed lead-acid cells rated at 12V and 9Ah. The unit is pre-assembled for user installation and measures 12.9 by 8.24 by 2.6 inches. It weighs 27.1 pounds. You get an 18-month warranty against defects. This fits owners of specific CyberPower models needing a direct battery swap.
Pros
- Contains four 12V/9Ah sealed lead-acid batteries
- Pre-assembled cartridge allows for quick user installation
- 18-month warranty covers materials and workmanship
- Maintenance-free fluid never requires replacement
Cons
- Limited to specific CyberPower models like OR2200PFCRT2U
- Heavy 27.1-pound build requires careful handling
- No surge protection or outlet expansion provided
Good fit if
- You own a CyberPower UPS with depleted internal batteries
- You need a direct factory-compatible replacement cartridge
- You want a maintenance-free sealed lead-acid solution
Skip if
- You use a different brand like APC or Eaton
- You need a full UPS unit with outlets
- You require a lightweight or compact battery pack
Verdict: CyberPower RB1290X4C 12V 9Ah UPS Battery is the correct replacement for owners of compatible CyberPower units needing a direct cartridge swap. It restores function without requiring professional service.
Tripp Lite 550VA AVR Tower UPS
Best for: basic single-PC backup with voltage regulation
- Apparent Power
- 550VA
- Output Wattage
- 300W
- Total Outlets
- 6
- Form Factor
- Tower
- Voltage Regulation
- AVR
- Dimensions
- 5 × 6.5 × 8.5 inches
View on Amazon: Tripp Lite 550VA AVR Tower UPS Affiliate link
The Tripp Lite SMART550USB is a compact tower UPS with 550VA apparent power and 300W output. It provides six AC outlets, including three with battery backup and automatic voltage regulation. This unit includes USB connectivity for system monitoring and surge protection for telephone lines. Its small footprint and lightweight build make it suitable for tight spaces.
Pros
- 550VA/300W power capacity
- Automatic voltage regulation
- USB communication port
- Compact 6.5x5x8.5 inch design
- Lightweight at 1.05 pounds
Cons
- Lower 300W output than other list options
- Only 3 outlets provide battery backup
- Shorter 3-year warranty than competitors
Good fit if
- You need a compact UPS for a single computer
- You require automatic voltage regulation
- You want USB monitoring capabilities
Skip if
- You need more than 300W of power
- You require all outlets to have battery backup
- You prefer a longer warranty period
Verdict: Tripp Lite SMART550USB 550VA Tower UPS is a small, affordable option for basic computer protection. It fits users who prioritize space savings and voltage regulation over high capacity or extended warranty coverage.
Tripp Lite 1500VA 900W 2U Rackmount UPS
Best for: 2U rackmount server power protection
- Apparent Power
- 1500VA
- Output Wattage
- 900W
- Output Waveform
- Modified Sine Wave (PWM)
- Total Outlets
- 8
- Form Factor
- 2U Rackmount, Tower
- Input Plug Type
- NEMA 5-15P
View on Amazon: Tripp Lite 1500VA 900W 2U Rackmount UPS Affiliate link
This 1500VA/900W unit fits a 2U rack space. It uses Automatic Voltage Regulation to correct brownouts and overvoltages without draining the battery. The large LCD screen shows voltage, load, and runtime. You get user-replaceable internal batteries and RJ45 surge protection. It mounts in a rack or stands as a tower. This design suits small servers and network gear that need structured installation.
Pros
- 1500VA apparent power and 900W output
- 2U rackmount form factor with tower option
- Automatic Voltage Regulation for power conditioning
- Rotatable LCD displays load and runtime
- User-replaceable internal batteries
Cons
- Modified sine wave output in battery mode
- Non-expandable battery capacity
- Heavy at 29 pounds
Good fit if
- You need a 2U rackmount unit for servers
- You want Automatic Voltage Regulation
- You prefer user-replaceable batteries
Skip if
- You require pure sine wave output
- You need expandable battery capacity
- You only have tower space
Verdict: Tripp Lite 1500VA 2U Rackmount UPS fits small server racks needing structured power protection. It suits users who value user-replaceable batteries and voltage regulation over pure sine wave output.
APC Back-UPS Pro 1500VA Battery Backup
Best for: home office power backup
- Apparent Power
- 1500VA
- Output Wattage
- 865W
- Voltage Regulation
- AVR
- Recommended Use
- Home Office
- Warranty
- 3-Year Warranty
- Display Type
- LCD Display
View on Amazon: APC Back-UPS Pro 1500VA Battery Backup Affiliate link
This APC unit offers 1500VA apparent power and 865W output for home office setups. It includes ten protected outlets with five battery-backed and five surge-only connections. Automatic voltage regulation handles brownouts and surges without using battery power. You get over 73 minutes of runtime at a 100W load. The design allows for an optional supplemental battery pack to extend backup time further.
Pros
- 1500VA apparent power capacity
- 865W continuous output wattage
- Ten outlets with five battery-backed
- Automatic voltage regulation included
- Over 73 minutes runtime at 100W
Cons
- Surge-only outlets lack battery backup
- Supplemental battery sold separately
- No remote management features listed
Good fit if
- You need battery backup for essential devices
- You want automatic voltage regulation
- You plan to add extra runtime later
Skip if
- You require network management capabilities
- You need all outlets to be battery-backed
- You want a rack-mountable form factor
Verdict: APC BR1500G 1500VA UPS provides reliable power protection for home offices needing basic backup and surge control. It suits users who value simple operation and the option to extend runtime with an additional battery pack.
UPC Large Replacement Battery Pack
Best for: APC Smart-UPS 2200VA and 3000VA replacements
- Battery Chemistry
- Sealed Lead-Acid
- Dimensions
- 7.2 × 5.6 × 6.8 inches
- Weight
- 53.4 pounds
View on Amazon: UPC Large Replacement Battery Pack Affiliate link
This is a 24V 18Ah sealed lead-acid battery pack designed as a replacement for APC Smart-UPS systems. It features a large 53.4-pound build with dimensions of 7.2 by 5.6 by 6.8 inches. The unit is pre-charged and assembled in the USA. It includes all necessary connectors and cables for a plug-and-play setup. You get a two-year warranty for reliable backup power.
Pros
- 24V 18Ah sealed lead-acid capacity
- Assembled and tested in the USA
- Includes all connectors and cables
- Hot-swappable design for easy replacement
- Two-year warranty included
Cons
- Heavy 53.4-pound build
- Large physical dimensions
- Only two-year warranty coverage
Good fit if
- You need a direct replacement for APC Smart-UPS 2200VA or 3000VA models
- You prefer batteries assembled and tested in the USA
- You want a plug-and-play solution with all connectors included
Skip if
- You require a smaller or lighter battery unit
- You need a battery for a non-APC UPS system
- You prefer a warranty period longer than two years
Verdict: UPC RBC55 24V 18Ah UPS Battery is a robust replacement for APC Smart-UPS 2200VA and 3000VA systems. It suits users who value domestic assembly and a straightforward plug-and-play installation process.
Eaton Tripp Lite 1500VA 810W LCD UPS
Best for: Desktop PCs needing AVR and LCD monitoring
- Apparent Power
- 1500VA
- Output Wattage
- 810W
- Total Outlets
- 10
- Input Plug Type
- NEMA 5-15P
- Voltage Regulation
- AVR
- Display Type
- LCD Display
View on Amazon: Eaton Tripp Lite 1500VA 810W LCD UPS Affiliate link
This Tripp Lite unit offers 1500VA apparent power and 810W of output capacity. It includes ten outlets and an LCD screen to monitor battery runtime, load, and voltage. Automatic voltage regulation corrects brownouts without draining the battery. The internal batteries are user-replaceable via the RBC51 cartridge. It suits users needing surge protection and voltage stabilization for desktop PCs or small servers.
Pros
- 1500VA apparent power and 810W output capacity
- LCD display shows battery runtime and wattage load
- AVR corrects voltage between 92V and 150V
- User-replaceable RBC51 battery cartridge
Cons
- Lower surge protection at 650 joules
- Larger physical footprint at 19.3 inches long
- Heavier build at 24.6 pounds
Good fit if
- You need automatic voltage regulation for unstable power
- You want to monitor load and runtime on a screen
- You prefer user-replaceable batteries over sealed units
Skip if
- You require pure sine wave output for sensitive equipment
- You need high joule surge protection above 650
- You have limited space for a bulky tower unit
Verdict: Tripp Lite OMNI1500LCDT 1500VA UPS provides reliable voltage regulation and clear status monitoring for desktop setups. It fits users who value maintenance ease and real-time power data over compact size.
Eaton 1500VA Line Interactive UPS
Best for: Home offices needing 1500VA backup with LCD monitoring
- Apparent Power
- 1500VA
- Output Wattage
- 900W
- UPS Topology
- Line Interactive
- Total Outlets
- 10
- Voltage Regulation
- AVR
- Display Type
- LCD Display
View on Amazon: Eaton 1500VA Line Interactive UPS Affiliate link
This Eaton unit offers 1500VA apparent power and 900W output through a line interactive topology. It includes automatic voltage regulation and an LCD display for real-time status. You get ten outlets, with five providing battery backup. The design features quiet operation, as the internal fan only runs during battery mode or severe voltage corrections. It supports plug-and-play management via USB and includes data line surge protection for network equipment.
Pros
- 1500VA capacity with 900W output
- Line interactive topology with AVR
- LCD display for system status
- 10 outlets (5 battery backed)
- Quiet fan operation in normal mode
Cons
- Bulky dimensions at 15 inches long
- Heavy build at 26.1 pounds
- No wireless connectivity or app control
Good fit if
- You need 1500VA capacity for home office gear
- You want to monitor power status via LCD
- You prefer quiet operation during normal use
Skip if
- You require wireless management or app control
- You need a compact tower for tight spaces
- You only need basic surge protection without battery
Verdict: Eaton 5S1500LCD 1500VA Line Interactive UPS fits users who need reliable 900W backup with clear LCD monitoring. It suits those who prioritize quiet operation and local status visibility over remote connectivity.
Specifications side by side
| Spec | CyberPower 12V 9Ah UPS Replacement Cartridge | Tripp Lite 550VA AVR Tower UPS | Tripp Lite 1500VA 900W 2U Rackmount UPS | APC Back-UPS Pro 1500VA Battery Backup | UPC Large Replacement Battery Pack | Eaton Tripp Lite 1500VA 810W LCD UPS | Eaton 1500VA Line Interactive UPS |
|---|---|---|---|---|---|---|---|
| Apparent Power | not stated | 550VA | 1500VA | 1500VA | not stated | 1500VA | 1500VA |
| Output Wattage | not stated | 300W | 900W | 865W | not stated | 810W | 900W |
| Output Waveform | not stated | not stated | Modified Sine Wave (PWM) | not stated | not stated | not stated | not stated |
| UPS Topology | not stated | not stated | not stated | not stated | not stated | not stated | Line Interactive |
| Total Outlets | not stated | 6 | 8 | not stated | not stated | 10 | 10 |
| Battery Chemistry | Lead-Acid | not stated | not stated | not stated | Sealed Lead-Acid | not stated | not stated |
| Form Factor | not stated | Tower | 2U Rackmount, Tower | not stated | not stated | not stated | not stated |
| Input Plug Type | not stated | not stated | NEMA 5-15P | not stated | not stated | NEMA 5-15P | not stated |
| Voltage Regulation | not stated | AVR | AVR | AVR | not stated | AVR | AVR |
| Topology | not stated | not stated | not stated | not stated | not stated | not stated | Line Interactive |
| Recommended Use | not stated | not stated | not stated | Home Office | not stated | not stated | not stated |
| Warranty | not stated | not stated | not stated | 3-Year Warranty | not stated | not stated | not stated |
| Size | not stated | 550VA | 1500VA / Non-Expandable | BR1500G | Large | 1500VA | 1500VA |
| Outlets | not stated | 6 Outlets | 8 Outlets | not stated | not stated | 10 Outlets | not stated |
| Display Type | not stated | not stated | not stated | LCD Display | not stated | LCD Display | LCD Display |
| Dimensions | 2.6 × 8.24 × 12.9 inches | 5 × 6.5 × 8.5 inches | 10.5 × 17.3 × 3.5 inches | 15 × 4.4 × 11.9 inches | 7.2 × 5.6 × 6.8 inches | 19.3 × 9 × 11 inches | 15 × 3.4 × 9.8 inches |
| Weight | 27.1 pounds | 1.05 pounds | 29 pounds | 21 pounds | 53.4 pounds | 24.6 pounds | 26.1 pounds |
| Color | White | Black | Black | Black | Black | Black | Black |
| Model | RB1290X4C | SMART550USB | SMART1500LCD | BR1500G | RBC55-UPC | OMNI1500LCDT | 5S1500LCD |
For a related comparison, read comviee replacement fan alternatives.
Frequently asked questions
Can I use a standard UPS instead of replacing the battery cartridge?
Yes, you can replace the cartridge with a complete UPS unit. The Tripp Lite SMART550USB offers 550VA capacity in a tower form factor. It includes automatic voltage regulation for basic protection. This option suits users who need a standalone unit rather than a direct cartridge swap for their existing CyberPower hardware.
Which UPS is best for small server racks?
The Tripp Lite SMART1500LCD is designed for 2U rackmount servers. It provides 1500VA capacity with non-expandable power. The unit supports user-replaceable batteries and includes voltage regulation. Its dimensions fit standard rack spaces, making it a practical choice for structured power protection in small server environments.
Is there a UPS option for home offices with LCD monitoring?
The Eaton 5S1500LCD provides 1500VA backup with an LCD display. It features line interactive topology and automatic voltage regulation. The unit weighs 26.1 pounds and offers quiet operation. This model suits home offices that prioritize local status visibility and reliable power protection over remote connectivity features.
What is the best choice for desktop PCs needing voltage regulation?
The Tripp Lite OMNI1500LCDT is suitable for desktop setups. It offers 1500VA capacity with automatic voltage regulation. The unit includes an LCD display for real-time power data. It weighs 24.6 pounds and focuses on maintenance ease. This model fits users who value clear status monitoring for their desktop systems.
Are there large replacement batteries for APC systems?
The UPC RBC55-UPC is a large replacement battery pack. It provides 24V and 18Ah capacity for APC Smart-UPS systems. The unit weighs 53.4 pounds and supports 2200VA and 3000VA models. It allows for straightforward plug-and-play installation, making it a robust option for users needing extended backup capacity.
Which UPS allows runtime extension with additional batteries?
The APC BR1500G allows runtime extension via an additional battery pack. It provides 1500VA capacity for home office backup. The unit features surge control and simple operation. It weighs 21 pounds and offers reliable power protection. This model suits users who need to extend backup duration for critical equipment.