CyberPower Four-Battery 12V 9Ah Replacement Alternatives: 6 Similar Picks Compared
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The CyberPower RB1290X4H ups replacement battery alternatives list helps you find suitable options when the original cartridge no longer meets your needs. This specific model provides a straightforward, pre-assembled four-battery solution for CyberPower UPS systems. It delivers reliable 12V lead-acid power in a compact, user-installable package. However, you might seek different specs, such as a larger capacity, a tower form factor, or a different brand entirely.
We selected these seven alternatives because their specifications overlap with the original unit’s core requirements. The list includes top picks for budget desktop backup, rackmount server protection, and premium home office setups. Some options offer advanced LCD feedback or AVR voltage regulation, which the original cartridge does not provide. Others focus on heavy-duty capacity for larger APC systems. You can compare these choices based on size, weight, and output type to find the best fit for your specific hardware.
Our top pick: CyberPower Four-Battery 12V 9Ah Replacement Cartridge.
Comparing Alternative UPS Options
Tripp Lite 550VA AVR Tower UPS
The Tripp Lite SMART550USB is a compact tower unit, not a battery cartridge. It measures 6.5 by 8.5 by 5 inches and weighs just 1.05 pounds. This makes it far lighter and smaller than the 24.3-pound CyberPower RB1290X4H cartridge. It includes automatic voltage regulation for basic desktop protection. You would choose this if you need a complete UPS solution for a small desk setup rather than just replacing batteries in an existing CyberPower system. It offers surge protection and modest backup time for monitors and routers.
Tripp Lite 1500VA 900W 2U Rackmount UPS
The Tripp Lite SMART1500LCD is a 2U rackmount unit designed for server racks. It measures 17.3 by 3.5 by 10.5 inches and weighs 29 pounds. Unlike the CyberPower cartridge, this is a full UPS system with 1500VA capacity. It provides reliable backup for small servers but lacks pure sine wave output. You should pick this if you need rack-mounted infrastructure rather than a simple battery replacement. It offers higher capacity and voltage regulation for critical networking gear, fitting into standard equipment racks where the bulky CyberPower cartridge would not fit.
APC Back-UPS Pro 1500VA Battery Backup
The APC BR1500G is a 1500VA tower UPS measuring 4.4 by 11.9 by 15 inches and weighing 21 pounds. It provides automatic voltage regulation and network protection for home office equipment. This is a complete power backup unit, distinct from the CyberPower replacement cartridge. You would select this if you need a standalone UPS for desktop computers rather than just refilling an existing system. It delivers robust backup power for essential devices during short outages, prioritizing voltage stability and data protection over the simple replacement function of the original cartridge.
UPC Large Replacement Battery Pack
The UPC RBC55-UPC is a large replacement battery pack weighing 53.4 pounds. It measures 5.6 by 6.8 by 7.2 inches. This unit is significantly heavier than the 24.3-pound CyberPower cartridge. It is designed specifically for APC Smart-UPS 2200VA or 3000VA systems, not CyberPower units. You should choose this if you own an APC Smart-UPS and need a heavy, fully assembled replacement. It does not suit users needing 12V power or lighter alternatives. It provides a direct swap for APC systems but is incompatible with the CyberPower RB1290X4H form factor.
Eaton Tripp Lite 1500VA 810W LCD UPS
The Tripp Lite OMNI1500LCD is a 1500VA tower UPS weighing 24.6 pounds. It measures 9 by 11 by 19.3 inches. This unit offers automatic voltage regulation and an LCD display for clear feedback. It is a complete UPS system, not a battery cartridge like the CyberPower RB1290X4H. You would pick this if you need desktop PC backup with detailed monitoring. It suits users prioritizing voltage regulation and clear status updates over compact size. It provides reliable 810W backup for desktop setups, offering more features than a simple battery replacement cartridge.
Eaton 1500VA Line Interactive UPS
The Eaton 5S1500LCD is a 1500VA line interactive UPS weighing 26.1 pounds. It measures 3.4 by 9.8 by 15 inches. It provides 900W backup with automatic voltage regulation and an LCD display. This is a full UPS unit, distinct from the CyberPower replacement cartridge. You should choose this if you need data protection and moderate capacity for home office desktops. It offers robust backup with clear monitoring capabilities. Unlike the simple cartridge, this unit integrates advanced topology and monitoring features, making it suitable for users needing comprehensive power management rather than just battery replacement.
Quick picks
Our 7 picks
CyberPower Four-Battery 12V 9Ah Replacement Cartridge
Best for: CyberPower UPS owners needing OEM battery replacement
- Battery Chemistry
- Sealed Lead-Acid
- Dimensions
- 12 × 8.1 × 2.6 inches
- Weight
- 24.3 pounds
View on Amazon: CyberPower Four-Battery 12V 9Ah Replacement Cartridge Affiliate link
This is a CyberPower replacement battery cartridge containing four 12V 9Ah sealed lead-acid batteries. It is designed to restore power backup to compatible CyberPower UPS systems with depleted cells. The unit measures 12 x 8.1 x 2.6 inches and weighs 24.3 pounds. It features a maintenance-free design and user-installable cartridge construction. This pack suits owners of specific CyberPower models needing a direct factory replacement.
Pros
- Includes four 12V 9Ah sealed lead-acid batteries
- User-installable pre-assembled cartridge for quick replacement
- 18-month warranty against defects in materials and workmanship
- Reusable packaging facilitates safe recycling of expired batteries
Cons
- Limited to compatibility with specific CyberPower models
- Heavier build at 24.3 pounds compared to lighter alternatives
- No remote management or smart monitoring features included
Good fit if
- You own a CyberPower OR2200PFCRT2U or similar model
- You need a direct OEM replacement for depleted internal batteries
- You prefer a maintenance-free sealed lead-acid solution
Skip if
- You use UPS systems from other brands like APC or Eaton
- You require smart monitoring or network management capabilities
- You need a battery pack with a longer than 18-month warranty
Verdict: CyberPower RB1290X4H Replacement Battery Cartridge is a straightforward replacement for owners of specific CyberPower UPS units who need to restore backup power with a factory-spec cartridge. It fits users who prioritize compatibility and ease of installation over smart features.
Tripp Lite 550VA AVR Tower UPS
Best for: Basic desktop backup and surge protection
- 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
This Tripp Lite unit offers 550VA and 300W capacity in a compact tower form. It includes automatic voltage regulation to stabilize power. You get six AC outlets, with three providing battery backup and surge protection. The device also features USB communication for monitoring. Its small footprint and light weight make it suitable for tight spaces where basic backup is needed.
Pros
- 550VA apparent power and 300W output capacity
- Automatic voltage regulation for stable power
- Six AC outlets with three battery-backed
- Compact tower design measuring 5 by 6.5 by 8.5 inches
Cons
- Lower 300W output compared to 900W alternatives
- Only three outlets provide battery backup
- No network management or SNMP support listed
Good fit if
- You need a compact UPS for a single workstation
- You require basic surge protection with battery backup
- You want automatic voltage regulation for sensitive electronics
Skip if
- You need more than 300W of continuous power
- You require all outlets to have battery backup
- You need rack-mountable form factor for server racks
Verdict: Tripp Lite 550VA Tower UPS fits users needing modest backup power for a desk setup. It suits those prioritizing a small footprint over high capacity or advanced network monitoring features.
Tripp Lite 1500VA 900W 2U Rackmount UPS
Best for: Small server rack installations
- 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 Tripp Lite unit offers 1500VA and 900W of backup power in a compact 2U rackmount form factor. It includes automatic voltage regulation to correct brownouts and overvoltages without draining the battery. The large LCD screen displays real-time voltage, load, and operating mode. You get eight NEMA 5-15R outlets and an RJ45 Ethernet port for dataline surge protection. It fits small servers or network devices in tight spaces.
Pros
- 2U rackmount design saves space
- 1500VA / 900W output capacity
- AVR corrects voltage fluctuations
- LCD screen shows system status
- RJ45 dataline surge protection
Cons
- Modified sine wave output in battery mode
- Non-expandable battery capacity
- Heavy 29-pound build
Good fit if
- You need a 2U rackmount form factor
- You require AVR for voltage stability
- You have small servers or network gear
Skip if
- You need pure sine wave output
- You want expandable battery capacity
- You prefer a tower-only design
Verdict: Tripp Lite SMART1500LCD 2U Rack UPS suits users needing compact rack space and voltage regulation. It provides reliable backup for small servers but lacks pure sine wave output for sensitive electronics.
APC Back-UPS Pro 1500VA Battery Backup
Best for: Home office setups needing AVR and network protection
- 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
The APC BR1500G is a 1500VA/865W tower UPS designed for home office setups. It provides over 73 minutes of runtime at a 100W load. The unit includes automatic voltage regulation to correct brownouts and surges without draining the battery. It features ten outlets, with five battery-backed and five surge-only. This model also supports coaxial and Ethernet surge protection for connected network devices.
Pros
- 1500VA apparent power with 865W output capacity
- Over 73 minutes of runtime at a 100W load
- Automatic voltage regulation corrects brownouts and surges
- Ten outlets including five battery-backed and five surge-only
- Built-in coaxial and Ethernet surge protection
Cons
- Surge-only outlets do not provide battery backup
- Supplemental battery pack sold separately
- No mention of LCD display or monitoring software
Good fit if
- You need automatic voltage regulation for sensitive electronics
- You want extended runtime for low-power devices like routers
- You require coaxial and Ethernet surge protection
Skip if
- You need all ten outlets to be battery-backed
- You require a compact rack-mount form factor
- You need immediate runtime extension without buying extras
Verdict: The APC BR1500G 1500VA UPS fits users who prioritize voltage regulation and network protection for home office gear. It is a solid choice for keeping essential devices online during short outages.
UPC Large Replacement Battery Pack
Best for: APC Smart-UPS 2200VA/3000VA replacement
- 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 direct replacement for APC Smart-UPS models like the SUA2200 and SMT3000. It arrives fully assembled with all necessary connectors and enclosures. The unit weighs 53.4 pounds and measures 7.2 by 5.6 by 6.8 inches. It offers a two-year warranty and is built in the USA. You get a plug-and-play solution that requires minimal downtime for installation.
Pros
- 24V 18Ah capacity for reliable backup
- Fully assembled with all connectors included
- Two-year warranty coverage
- Assembled and tested in the USA
Cons
- Heavy at 53.4 pounds
- Large physical dimensions
- Only 24V output voltage
Good fit if
- You own an APC Smart-UPS 2200VA or 3000VA unit
- You need a direct plug-and-play replacement
- You prefer batteries assembled in the USA
Skip if
- You use a CyberPower RB1290X4H system
- You need a 12V battery
- You require a compact or lightweight unit
Verdict: UPC 24V 18Ah APC Smart-UPS Replacement fits users with APC SUA2200 or SMT3000 systems who need a heavy, fully assembled battery pack. It does not suit those needing 12V power or lighter alternatives.
Eaton Tripp Lite 1500VA 810W LCD UPS
Best for: Desktop PCs needing AVR and LCD feedback
- 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 continuous output across 10 outlets. It includes Automatic Voltage Regulation to correct brownouts without draining batteries. The LCD screen shows real-time load and status. It is a solid option for desktop PCs or small servers needing surge protection and basic backup during outages.
Pros
- 1500VA apparent power capacity
- 810W continuous output wattage
- 10 NEMA 5-15 outlets
- AVR corrects voltage fluctuations
- LCD displays load and status
Cons
- 24.6 pounds is heavy
- 19.3 inches is deep
- Only 650 joules surge rating
Good fit if
- You need 810W of backup power
- You want an LCD status display
- You have space for a 1500VA unit
Skip if
- You need pure sine wave output
- You require rack mount installation
- You want high surge protection
Verdict: Tripp Lite OMNI1500 LCD UPS provides reliable 810W backup for desktop setups. It suits users who prioritize voltage regulation and clear LCD feedback over compact size or high surge capacity.
Eaton 1500VA Line Interactive UPS
Best for: Home office desktops needing data protection
- 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
The Eaton 5S1500LCD is a line interactive UPS offering 1500VA and 900W of output. It features an LCD display for real-time monitoring and automatic voltage regulation. With ten outlets, including five battery-backed, it supports multiple devices. The unit includes data line surge protection and USB connectivity for power management. It is a solid choice for home offices needing reliable backup and surge protection.
Pros
- 1500VA apparent power with 900W output capacity
- Line interactive topology with AVR for voltage regulation
- LCD display shows battery time and power usage
- Ten outlets with five battery-backed and surge-only
- Data line surge protection for network equipment
Cons
- Heavier build at 26.1 pounds
- Larger footprint compared to smaller VA units
- Fan noise only in battery mode or severe variations
Good fit if
- You need 1500VA capacity for home office gear
- You want an LCD display for status monitoring
- You require data line surge protection
Skip if
- You need a rack-mountable form factor
- You require more than 1500VA capacity
- You prefer a silent operation in all modes
Verdict: Eaton 5S1500LCD 1500VA UPS provides robust 900W backup with clear LCD monitoring. It suits users needing data protection and moderate capacity for desktop systems.
Specifications side by side
| Spec | CyberPower Four-Battery 12V 9Ah 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 | Sealed 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 | 12 × 8.1 × 2.6 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 | 24.3 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 | RB1290X4H | SMART550USB | SMART1500LCD | BR1500G | RBC55-UPC | OMNI1500LCDT | 5S1500LCD |
Another guide worth a look: comviee replacement fan alternatives.
Frequently asked questions
Can I use a Tripp Lite UPS instead of replacing the CyberPower battery cartridge?
You can replace the entire system, but the products differ significantly. The CyberPower RB1290X4H is a 24.3-pound battery cartridge for existing units. The Tripp Lite SMART550USB is a standalone 1.05-pound tower UPS. One restores backup power for your current device, while the other provides a new, compact power solution with AVR regulation.
What is the weight difference between the CyberPower cartridge and a full UPS unit?
The CyberPower RB1290X4H cartridge weighs 24.3 pounds. In contrast, the Tripp Lite SMART550USB tower unit weighs only 1.05 pounds. The Eaton 5S1500LCD is heavier at 26.1 pounds. The APC BR1500G weighs 21 pounds. You should choose based on whether you need a replacement part or a complete new device.
Do these alternatives include voltage regulation features?
Several listed options include Automatic Voltage Regulation. The Tripp Lite SMART550USB and OMNI1500LCD both feature AVR. The Eaton 5S1500LCD also provides AVR and line interactive topology. The CyberPower RB1290X4H is a battery replacement cartridge and does not regulate voltage itself. It simply restores the original power capacity for your existing UPS.
Which option is best for a small server rack installation?
The Tripp Lite SMART1500LCD is designed for small server racks. It is a 2U rackmount unit measuring 17.3 by 10.5 by 3.5 inches. It provides 1500VA capacity. The CyberPower RB1290X4H is a battery cartridge, not a rack unit. If you need to house equipment in a rack, the Tripp Lite rackmount model is the appropriate choice.
Is there a replacement battery pack for APC Smart-UPS systems?
Yes, the UPC RBC55-UPC is a large replacement battery pack. It is designed for APC Smart-UPS 2200VA and 3000VA systems. It weighs 53.4 pounds and measures 7.2 by 5.6 by 6.8 inches. This is distinct from the CyberPower RB1290X4H, which is specific to CyberPower UPS units and weighs 24.3 pounds.
Which UPS model includes an LCD display for monitoring?
Two models feature LCD displays for status monitoring. The Eaton 5S1500LCD provides clear LCD feedback for your desktop setup. The Tripp Lite OMNI1500LCD also includes an LCD display. The CyberPower RB1290X4H is a battery cartridge and has no display. If you need real-time power data, choose one of the UPS units with LCD screens.
What is the capacity of the APC Back-UPS Pro unit?
The APC BR1500G has a capacity of 1500VA. It is a black tower unit weighing 21 pounds. Its dimensions are 15 by 4.4 by 11.9 inches. This capacity is higher than the Tripp Lite SMART550USB, which is rated at 550VA. The APC model is suitable for home office setups needing robust network protection.