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Rectangular sealed lead-acid battery cartridge, grey plastic casing, integrated handle, connector ports visible

APC

APC RBC5 UPS Replacement Battery Cartridge #5

SKU CH-6WRB-J4YVM MPN RBC5

A maintenance-free sealed lead-acid cartridge restores runtime to compatible APC UPS units with a 3–5 year expected life

  • Product typeBattery
  • DetailsBattery Type: Maintenance-free sealed Lead-Acid battery with
  • Product dimensions3.7 in × 5.1 in × 5.9 in (H × W × D)
  • Product weight10.9 lb (4.94 kg)
  • In the boxAPC Replacement Battery Cartridge #5, All required connector

Model RBC5

  • Maintenance-free sealed lead-acid design eliminates electrolyte leaks
  • Hot-swappable cartridge enables replacement without UPS downtime
  • Expected service life of three to five years
  • Compact dimensions of 3.70 by 5.10 by 5.90 inches fit standard bays
  • Supplied with connectors, recycling guide and reusable packaging

Compatible UPS replacement cartridge

This APC RBC5 cartridge is a maintenance-free sealed lead-acid battery designed as a direct replacement for supported APC UPS units. It arrives ready to install with all required connectors and a recycling guide included.

Hot-swappable design for continuous uptime

The cartridge can be swapped while the UPS remains powered on, so protected equipment stays online during replacement. Its leakproof suspended-electrolyte construction is rated for three to five years of service life under normal operating conditions.

Verify model compatibility and physical fit

Before ordering, confirm that your UPS lists RBC5 as the correct replacement cartridge. Check that the 3.7 by 5.1 by 5.9 inch dimensions and 10.9 lb weight match the battery compartment and mounting points of your unit.

How it compares

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

Price $112.99
Pricier than about 78% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameAPC
Model nameRBC5
Product typeBattery
Size & build
Product dimensions3.7 in × 5.1 in × 5.9 in (H × W × D)
Product weight10.9 lb (4.94 kg)
Shipping weight4.67 kg
Package size224 × 206 × 178 mm
In the box
In the boxAPC Replacement Battery Cartridge #5, All required connectors, Battery recycling guide, Installation guide, Reusable packaging

Other versions of this model

4 more in the same range

Questions about this item

How much heat or noise does the RBC5 cartridge produce during continuous operation?

The maintenance-free sealed lead-acid design has no moving parts, so it generates no fan noise and negligible heat while installed in a compatible UPS.

Which connectors or UPS models must I already own for this cartridge to work?

All required connectors are included, but the cartridge only fits UPS units that accept the RBC5 form factor — verify your UPS model against APC's compatibility list before purchase.

Will the 3.70" x 5.10" x 5.90" cartridge fit in the same battery bay as my older RBC2 unit?

No, the RBC5 has different dimensions and connector layout; it is not interchangeable with RBC2 or other RBC-series cartridges.

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