Replacement Battery Cartridge APC RBC31 9Ah 48VDC

The genuine APC Replacement Battery Cartridge (RBC) is designed and certified for full compatibility with the specified APC UPS models. This lead-acid battery cartridge offers a typical service life of three to five years and provides reliable backup power to extend the usable life of your UPS. The APC RBC is supplied fully assembled and ready for immediate installation. For the list of compatible UPS models, see the "View Compatible UPS Models" button in the Get Support section at APC.com.

Advantages

The original APC RBC ensures tested compatibility and predictable performance with supported APC UPS units. With a lead-acid chemistry and a three- to five-year expected lifespan, the cartridge reduces the need for frequent replacements and helps maintain stable backup power. Being delivered fully assembled simplifies installation and reduces downtime.

Key specifications

• Manufacturer: APC
• Type: Replacement Battery Cartridge (RBC)
• Battery chemistry: Lead-acid
• Typical service life: 3–5 years
• Condition on delivery: Fully assembled, ready to install
• Compatibility: See APC.com "View Compatible UPS Models" in Get Support section

How to use

Confirm the RBC part number against your UPS model using the compatibility list on APC.com before installation. Follow the UPS manufacturer's instructions for replacing the battery cartridge: power down the UPS if required, disconnect the unit from mains and connected equipment as instructed, remove the old cartridge, and insert the new APC RBC until it seats securely. Reconnect and power on the UPS, then verify normal operation according to the UPS manual.

Recommendations

Store and handle the battery cartridge according to APC safety guidelines. Replace cartridges that show signs of leakage, swelling, or reduced run-time. For exact model compatibility and support, use the "View Compatible UPS Models" button in the Get Support section at APC.com.