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Two sealed 12V 9Ah lead-acid batteries in a replacement kit

RefurbUPS

RefurbUPS RBC124 Compatible 9 Amp UPS Replacement Battery Kit

SKU CH-8XGM-PDKP3

Kit contains two 12 V 9 Ah SLA batteries compatible with APC RBC124 UPS units, reusing existing wiring harness

  • TypeBattery
  • Weight14
  • Kit includes two 12 V 9 Ah batteries for reliable backup power
  • APC RBC124 compatible design fits existing UPS without new wiring
  • Factory-fresh sealed lead-acid cells deliver high-rate discharge performance
  • 14 lb total weight indicates robust plate construction for long service life
  • Manufacturer supports over 10000 customers with dedicated UPS battery expertise

Compatible UPS Battery Kit

This replacement battery kit supplies two 12V 9A sealed lead-acid units built to match the APC RBC124 specification. It is intended for administrators maintaining compatible UPS systems who need factory-fresh cells without replacing the existing wiring harness. The kit suits environments where dependable backup power is required for servers, networking gear or critical workstations.

Thermals Noise And Power Draw

Sealed lead-acid chemistry operates silently with no moving parts, so the kit adds no audible noise to the rack or office. Normal float charging draws only a modest current, keeping heat output low inside the UPS enclosure. The 14-weight package reflects the dense plate construction that supports stable voltage during routine discharge cycles.

Sustained Load Behaviour

Under extended discharge the high-rate design maintains consistent voltage delivery for the duration of the battery's rated capacity. Internal resistance stays controlled so voltage sag remains limited even when the load persists beyond the initial minutes. The matched pair ensures balanced ageing, reducing the risk of premature cell failure during repeated long-duration outages.

Highlights

  • Kit includes two 12 V 9 Ah batteries for reliable backup power
  • APC RBC124 compatible design fits existing UPS without new wiring
  • Factory-fresh sealed lead-acid cells deliver high-rate discharge performance
  • 14 lb total weight indicates robust plate construction for long service life
  • Manufacturer supports over 10000 customers with dedicated UPS battery expertise

Specifications

TypeBattery
Weight14

Questions about this item

How do I install the two 12V9A batteries in my UPS and what step is often missed?

Disconnect the UPS from power, open the battery compartment, unplug the old pack, connect the new batteries in the same series orientation, secure the cover, then charge for 24 hours before use; the step often missed is the full initial charge.

What maintenance or replacement will the 12V9A battery pair need later?

The sealed lead-acid cells require no watering; plan to replace the pair again in three to five years when run-time drops noticeably below the original capacity.

What limit appears first during a long power outage with the 12V9A kit?

The 9 Ah capacity determines total run-time; once the stored energy is depleted the UPS shuts down, so the capacity limit is reached before any thermal or voltage limit.

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