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Two 12V lead-acid UPS battery cartridges in a pack

PowerWarehouse

PowerWarehouse 2XRBC2SLA220 12V UPS Replacement Battery 2 Pack

SKU CH-69E7-216M3

A 12 V lead-acid battery cartridge pair replaces the APC Back-UPS Pro BP420IPNP unit

  • Compatible withFits: APC Back UPS Pro BP420IPNP
  • 12 V lead-acid chemistry delivers reliable backup power
  • Two-battery pack covers the full cartridge replacement
  • 100 % compatibility guaranteed with APC Back-UPS Pro BP420IPNP
  • 220 rating supports the UPS runtime specification

Direct replacement for BP420IPNP

This 12 V lead-acid cartridge replaces the original battery in APC Back-UPS Pro BP420IPNP units. The two-pack restores full runtime in a single swap. Each unit is built to match the factory specification so the UPS recognises it immediately.

Upgrade when runtime has dropped

Replace the set when the UPS reports low capacity or fails self-test after extended service. The jump is worth it if the existing cells no longer hold charge through typical outages. Buyers needing higher voltage or different form factors should look elsewhere.

How it compares

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

Price $47.99
Pricier than about 58% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC2SLA220
Compatibility
Compatible withFits: APC Back UPS Pro BP420IPNP

Questions about this item

Does the 12 V cartridge fit the APC Back UPS Pro BP420IPNP without modification?

Yes, the 12 V cartridge is designed as a direct replacement for the APC Back UPS Pro BP420IPNP and fits the original battery compartment.

What is the common mistake when installing the two 12 V cartridges?

Reversing the red and black leads on either cartridge; each connector is keyed, so match the colours before pushing the plugs fully home.

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