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Two black 12V lead-acid battery cartridges in plastic housing

PowerWarehouse

PowerWarehouse 2XRBC2SLA259 UPS Replacement Battery (2 Pack)

SKU CH-QF30-W1JG4

Two-pack of 12 V lead-acid cartridges replaces the APC SUVS420 UPS battery with 100 % compatibility

  • Compatible withFits: APC SUVS420
  • Premium 12 V lead-acid chemistry delivers reliable backup power
  • Two-battery cartridge #259 simplifies swap-out for APC SUVS420
  • 100 % compatibility guarantee ensures drop-in fit with original equipment
  • One-year replacement warranty protects your investment

Compatible APC SUVS420 replacement

This twin-pack of 12 V lead-acid cartridges is built for the APC SUVS420 UPS. Each unit is guaranteed 100 % compatible with the original equipment. The pair restores runtime for servers and network gear that rely on this specific model.

Two-cartridge kit simplifies swap-out

Having both cartridges in one box lets you replace the complete battery set in a single service visit. The matched pair keeps cell balance even and avoids the risk of mixing old and new modules. A one-year replacement warranty covers the set.

How it compares

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

Price $48.99
Pricier than about 59% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand namePowerWarehouse
Model name2XRBC2SLA259
Compatibility
Compatible withFits: APC SUVS420

Questions about this item

How often will the 12V lead-acid cells in this 2-pack need replacement under normal use?

Lead-acid batteries in UPS service typically last three to five years; plan to swap both cartridges at the same time when runtime drops below your critical load requirement.

What is the first limit reached when the APC SUVS420 runs on these batteries during a prolonged outage?

The 12V lead-acid chemistry hits its depth-of-discharge floor first, cutting output to protect cell life before the UPS electronics reach any thermal or current ceiling.

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