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Two black rectangular sealed lead-acid battery cartridges side by side

CyberPower

CyberPower RB1280X2B UPS Replacement Battery Cartridge 12V 8Ah 2-Pack

SKU CH-15HW-D1AM9 MPN RB1280X2B

Two 12 V 8 Ah sealed lead-acid batteries in a leak-proof, user-installable cartridge for the CP1500PFCLCD UPS

  • Product typeBattery
  • Compatible withUPS Model: CP1500PFCLCD
  • DetailsBattery Type: Sealed Lead-Acid Battery Size: 12 V/8Ah Operat
  • Key featuresSealed Lead-Acid Batteries Maintenance-Free Battery Fluid Le
  • Product dimensions2.5 in × 7.96 in × 5.94 in
  • Product weight10.98 lb (4.98 kg)
  • Restores runtime for CP1500PFCLCD UPS with two 12V/8Ah sealed lead-acid cells
  • Leak-proof casing protects internal components and extends battery service life
  • Maintenance-free sealed design never requires fluid replacement or topping up
  • User-installable cartridge fits directly into UPS without tools or specialist knowledge
  • Operates reliably from 0 to 40 °C and up to 90 % humidity

Product identity

The CyberPower RB1280X2B is a two-pack replacement battery cartridge containing two sealed lead-acid units rated at 12V and 8Ah each. It is built specifically to restore runtime in the CP1500PFCLCD uninterruptible power supply.

Who it suits

This cartridge suits owners of the compatible UPS whose internal batteries have weakened or failed and who want a user-installable, maintenance-free solution. It does not suit buyers needing a different voltage, capacity, or form factor for other UPS models or standby power applications.

Build integration

The pre-assembled cartridge slides into the UPS battery compartment without tools and its leak-proof casing protects surrounding electronics. Reusable packaging is included so the depleted batteries can be returned to a recycling centre. Operating limits are 0 to 40 degrees Celsius and 0 to 90 percent humidity non-condensing.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $63.99
Pricier than about 68% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameCyberPower
Model nameRB1280 × 2B
Part numberRB1280 × 2B
Product typeBattery
Size & build
Product dimensions2.5 in × 7.96 in × 5.94 in
Product weight10.98 lb (4.98 kg)
Shipping weight5.81 kg
Package size305 × 251 × 86 mm
Compatibility
Compatible withUPS Model: CP1500PFCLCD
In the box
In the box1, false

Questions about this item

Must I already own a CyberPower CP1500PFCLCD UPS for this cartridge to fit?

Yes, the RB1280X2B is built specifically for the CP1500PFCLCD model and will not install in other units.

Can I keep the original depleted batteries inside the UPS while adding this cartridge?

No, the cartridge replaces the internal batteries entirely; the old cells must be removed before the new cartridge is inserted.

How do I confirm the cartridge is working after installation?

Power on the UPS and check that the LCD shows a full charge status and runs a self-test without reporting a battery fault.

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