APC APCRBC158 UPS Replacement Battery for BX1000M
- Battery
- APCRBC158, APC
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A single 12 V 9 Ah sealed lead-acid battery kit replaces the CyberPower RB1280 cartridge and includes installation instructions
This replacement battery kit contains a single 12V9A sealed lead-acid unit built to match the CyberPower RB1280 cartridge. It is intended for administrators and home-office users who need to restore runtime on a compatible UPS without sourcing the original manufacturer pack.
The battery arrives new and ready for immediate installation. High-rate discharge chemistry supports the short, heavy loads typical of UPS transfer events. A comprehensive instruction sheet is included so the swap can be completed with basic tools and no specialised training.
When an existing RB1280 pack no longer holds charge or fails self-test, this kit restores the original runtime specification. The upgrade is worth it whenever the UPS reports a battery fault or runtime has dropped below the level required for safe shutdown. It does not add capacity beyond the stock 9 Ah rating.
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| Product | |
|---|---|
| Brand name | CyberPower |
| Product line | CyberPower RB Replacement Batteries |
| Product type | Kit/Package |
The kit includes one 12V9A sealed lead-acid battery rated for high-rate discharge, matching the CyberPower RB1280 specification.
The cartridge is designed as a direct drop-in replacement for CyberPower RB1280 units, fitting the original battery compartment and using the existing terminals.
Power off and unplug the UPS, open the battery door, disconnect the old cartridge, connect the new one observing polarity, close the door, then power on and allow the UPS to charge fully before relying on backup runtime.
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