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Rectangular sealed lead-acid battery cartridge, four 12V 9Ah units in black plastic housing

CyberPower

CyberPower APCRBC155-CP 4×12V/9Ah ups replacement battery

SKU CH-R77S-NV3N5 MPN APCRBC155-CP

Four sealed lead-acid 12 V 9 Ah batteries in a user-replaceable cartridge weighing 21.4 lbs

  • TypeBattery
  • SpecificationsNumber of batteries: 4 Battery size: 12V/9Ah Battery type: S
  • Dimensions3.0'' x 7.25'' x 17.57''
  • Weight21.4 lbs.
  • Package ContentsBattery Kit and Installation Guide
  • Four sealed lead-acid batteries deliver reliable UPS runtime
  • Each cell rated 12 V / 9 Ah for consistent power
  • User-replaceable cartridge enables quick swap without tools
  • Operates from 0 °C to 40 °C and up to 90 % humidity
  • Kit includes battery pack and installation guide

Direct UPS battery replacement

The CyberPower APCRBC155-CP is a sealed lead-acid battery cartridge containing four 12V/9Ah cells. It is designed for user installation in compatible CyberPower UPS units to restore runtime after the original batteries reach end of life.

Sealed lead-acid operating envelope

The cartridge operates between 32 and 104 °F with relative humidity from 0 to 90 percent. Performance and service life will degrade outside these ranges, so the UPS must be sited in a temperature-controlled indoor environment.

Replaces expired internal batteries

This kit replaces the factory-fitted battery set when runtime falls below usable levels. The jump is worth it when the UPS electronics remain functional but the original cells no longer hold sufficient charge for the required backup window.

Highlights

  • Four sealed lead-acid batteries deliver reliable UPS runtime
  • Each cell rated 12 V / 9 Ah for consistent power
  • User-replaceable cartridge enables quick swap without tools
  • Operates from 0 °C to 40 °C and up to 90 % humidity
  • Kit includes battery pack and installation guide

Specifications

BrandCyberPower
ModelAPCRBC155-CP
TypeBattery
SpecificationsNumber of batteries: 4
Battery size: 12V/9Ah
Battery type: Sealed lead-acid
User Replaceable Battery: Yes
Operating Relative Humidity: 0 - 90 %
Operating Temperature: 32 - 104 °F (0 - 40 °C)
Dimensions3.0'' x 7.25'' x 17.57''
Weight21.4 lbs.
Package ContentsBattery Kit and Installation Guide
Shipping weight11.34 kg
Package size546 × 257 × 171 mm

Questions about this item

Should I choose the 4-battery 12V/9Ah cartridge or look for a different capacity?

The APCRBC155-CP is a single cartridge containing four sealed lead-acid batteries rated at 12V/9Ah each; select this kit when your UPS requires that exact voltage and amp-hour configuration.

What runtime can I expect from the 12V/9Ah batteries once installed in my UPS?

Runtime depends on the connected load; the 9Ah capacity per cell determines total energy available, so lighter loads yield longer backup time while heavier loads reduce it proportionally.

Does the cartridge use a standard terminal interface that fits my existing UPS?

Yes, the user-replaceable cartridge is designed to match the original battery connector and form factor for compatible CyberPower UPS models.

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