APC RBC5 Replacement Battery – 12V 9Ah (2 pack)

Description

The APC RBC5 replacement battery kit includes (2) 12 Volt 9Ah AGM batteries for reliable backup power in compatible APC UPS systems. These sealed, maintenance-free batteries are designed for indoor use and safe operation. Each battery is fully charged and ready to install. This kit includes two batteries required to replace one APC RBC5 cartridge. You will need to reuse your existing wiring and cables.

Compatibility

Compatible with select APC UPS systems that use the RBC5 battery including:

• APC Backups 450
• APC Backups 600VA
• APC Backups 650
• APC Network Powercell BD
• APC Backups PCNet

Always verify battery configuration and dimensions before ordering.

Key Features

• Battery Pack Includes 2 × 12V 9Ah AGM batteries
• 12 Volt 9Ah AGM UPS Battery has 20% longer run time compared to a 7Ah battery
• Maintenance-free sealed lead acid design
• Spill-proof – installs in any position except upside down
• Pre-charged and ready for installation
• Ideal for backup power systems and emergency power protection

For full technical specifications including dimensions and terminal type, please see our main 12V 9Ah AGM SLA battery page.

FAQs

Do I need to replace both batteries in my RBC5 cartridge’s at the same time?

Yes, it is strongly recommended to replace both batteries at the same time. Mixing old and new batteries can reduce performance, shorten battery life, and may cause improper charging in your UPS system.

Can I replace my APC RBC5 myself?

Yes, most RBC5 battery replacements are straightforward and can be done using your existing wiring and connections. Always disconnect the UPS from power before replacing the batteries.

How long will my APC RBC5 battery last?

Most UPS batteries last 3–5 years, depending on usage and ambient temperature.

Is this battery safe for home or office use?

Yes. It’s a VRLA battery – sealed, maintenance-free and designed for standby UPS power. APC™ and all APC RBC part numbers are registered trademarks of American Power Conversion. Part numbers listed on this page are for reference purposes only and do not imply endorsement or sponsorship by APC.