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APC RBC11 replacement battery cartridge, sealed lead-acid stack, 6.81 by 5.59 by 7.20 inches, 53.51 lbs

APC

APC RBC11 UPS Replacement Battery Cartridge 11 816 VAH

SKU CH-AJND-YZ2JJ MPN RBC11

A maintenance-free sealed lead-acid cartridge with 816 VAH capacity and a three-to-five-year expected life

  • Product typeBattery
  • DetailsBattery Volt-Amp-Hour Capacity: 816 Battery Type: Maintenanc
  • Product dimensions6.81 in × 5.59 in × 7.2 in
  • Product weight53.51 lb (24.3 kg)

Model RBC11

  • 816 VAH capacity keeps critical equipment running longer
  • Maintenance-free sealed lead-acid design eliminates routine upkeep
  • 3 to 5 year expected life reduces replacement frequency
  • Stand-alone stack mounting simplifies installation in existing UPS
  • Single cartridge includes two matched batteries for balanced performance

Replacement Battery Cartridge #11

The APC RBC11 is a maintenance-free sealed lead-acid cartridge rated at 816 VAH. It arrives as a single cartridge containing two batteries in a stand-alone stack configuration. Designed for direct installation, it restores runtime to compatible UPS units without requiring fluid handling or special tools.

Users needing fresh UPS runtime

This cartridge suits owners of matching APC UPS models who need to replace aged cells after three to five years of service. Buyers whose UPS requires a different cartridge number or a higher volt-amp-hour rating should verify compatibility before ordering, as this unit only delivers the stated 816 VAH capacity.

816 VAH capacity decides fit

The 816 VAH rating is the single figure that determines whether this cartridge matches the original specification. If the UPS label calls for a different VAH value, the runtime and charging profile will not align, so confirm the required capacity before purchase.

How it compares

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

Price $453.99
Pricier than about 90% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameAPC
Model nameRBC11
Product typeBattery
Size & build
Product dimensions6.81 in × 5.59 in × 7.2 in
Product weight53.51 lb (24.3 kg)
Shipping weight26.63 kg
Package size538 × 394 × 295 mm

Other versions of this model

4 more in the same range

Questions about this item

Does the RBC11 cartridge arrive ready to install or do I need to buy extra cables or mounting hardware?

The cartridge includes two maintenance-free sealed lead-acid batteries in a stand-alone stack that fits directly into compatible UPS units. No separate cables or mounting hardware are required.

The listing shows a single RBC11 cartridge with 816 VAH capacity — is there a higher-capacity version I should consider instead?

RBC11 is a specific cartridge rated at 816 VAH. APC does not publish a higher-capacity drop-in replacement for this form factor; choose RBC11 when your UPS calls for cartridge #11.

What does the 816 VAH rating actually deliver when the cartridge is inside my UPS?

It provides the rated volt-amp-hour capacity for the supported UPS models, giving an expected service life of three to five years before replacement is needed.

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