CyberPower
CyberPower RB1270X2C UPS Replacement Battery Cartridge 12V 7Ah
A cartridge holding two 12V 7Ah sealed lead-acid batteries restores runtime to compatible CyberPower UPS units and is user-installable
- Battery Type1/2 AA Lithium
- Restores UPS runtime with two 12V 7Ah batteries
- Maintenance-free sealed lead-acid design needs no fluid replacement
- User-installable cartridge enables quick replacement without tools
- Compatible with CST135XLU, CP900AVR and CP1200AVR models
- Reusable packaging simplifies recycling of depleted batteries
What this cartridge does
The CyberPower RB1270X2C is a pre-assembled replacement battery cartridge that restores runtime to compatible CyberPower UPS units when their original cells have weakened or failed. It contains two 12V 7Ah sealed lead-acid batteries in a maintenance-free design that never requires fluid replacement. The cartridge is built for IT staff or home-office users who need to bring a UPS back to full backup capability without scheduling a service visit.
How it fits into a UPS
The cartridge slides into the battery compartment of the CST135XLU, CP900AVR or CP1200AVR models and connects with the existing wiring harness, so no extra cables or tools are required. Because the module is user-installable, the UPS can stay in its rack or on its shelf while the swap is performed. The reusable packaging doubles as a return container for the spent batteries, simplifying compliance with local recycling regulations.
Behaviour under sustained load
Sealed lead-acid chemistry delivers the high surge currents that a UPS draws during extended outages, keeping connected equipment powered until utility supply returns or a graceful shutdown completes. The maintenance-free electrolyte eliminates the capacity fade that occurs when flooded cells lose water, so the cartridge holds its rated output across repeated discharge cycles. An eighteen-month warranty covers defects in materials and workmanship under normal operating conditions.
Highlights
- Restores UPS runtime with two 12V 7Ah batteries
- Maintenance-free sealed lead-acid design needs no fluid replacement
- User-installable cartridge enables quick replacement without tools
- Compatible with CST135XLU, CP900AVR and CP1200AVR models
- Reusable packaging simplifies recycling of depleted batteries
Specifications
| Battery Type | 1/2 AA Lithium |
|---|
Questions about this item
How long will the sealed lead-acid batteries hold up under continuous UPS load before capacity drops?
The cartridge uses two 12V 7Ah sealed lead-acid cells rated for high surge current; run-time under load depends on the connected UPS model and attached equipment.
Does the cartridge generate noticeable heat or fan noise when the UPS runs all day?
The battery pack itself is passive and produces no fan noise; any warmth comes from normal charging current inside the UPS enclosure.
Which CyberPower UPS units must I already own for this cartridge to fit and work?
It is designed for the CST135XLU, CP900AVR and CP1200AVR models; verify your UPS label matches one of these before ordering.
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