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Single sealed 12V 12Ah SLA battery block in black plastic case

RefurbUPS

RefurbUPS UB-12120 12V 12Ah UPS replacement battery

SKU CH-SERT-DC5RE

Supplies a 12 V 12 Ah sealed lead-acid battery weighing 10 units for UPS backup power

  • TypeKit/Package
  • Weight10
  • Ready-to-install kit includes comprehensive instructions
  • High-rate discharge SLA chemistry delivers reliable backup power
  • Factory-fresh 12 V 12 Ah cell ensures consistent performance
  • Single-battery cartridge simplifies UPS maintenance
  • Weighs 10 units for straightforward handling

Compatible UPS Replacement Battery

This 12 V 12 Ah sealed lead-acid battery serves as a direct replacement cartridge for compatible UPS units. It is intended for administrators and technicians who need to restore backup runtime on existing power-protection equipment. The kit contains a single factory-fresh cell and includes step-by-step installation instructions. Buyers who need a different voltage, capacity or form factor cannot use this part.

Thermals Noise and Power Draw

Sealed lead-acid chemistry operates silently with no moving parts, so the battery adds no audible noise to the UPS. Heat generation during normal float charging is minimal and handled by the host unit's existing ventilation. The cell accepts a standard charge current and delivers its rated 12 Ah capacity without exceeding the thermal limits of the original design. No additional cooling or power-supply changes are required.

High-Rate Discharge Capability

The single specification that decides fit is the high-rate discharge rating, which ensures the battery can supply the instantaneous current demanded by the UPS during a power event. A standard cyclic SLA cell without this rating may fail to support the load even if voltage and amp-hour figures match. Verify that the original cartridge specifies high-rate discharge before ordering.

Highlights

  • Ready-to-install kit includes comprehensive instructions
  • High-rate discharge SLA chemistry delivers reliable backup power
  • Factory-fresh 12 V 12 Ah cell ensures consistent performance
  • Single-battery cartridge simplifies UPS maintenance
  • Weighs 10 units for straightforward handling

Specifications

BrandUniversal Battery
SeriesUniversal Battery
TypeKit/Package
Weight10

Questions about this item

How do I install the 12V 12Ah battery and which step is often missed?

Disconnect the UPS from mains power, open the battery compartment, remove the old unit, connect the new battery terminals observing correct polarity, secure it in place, close the cover, then power the UPS back on and allow it to charge fully before putting the load online.

What maintenance or replacement will the 12V 12Ah SLA battery need over time?

The sealed lead-acid cell requires no watering; plan to replace it every three to five years or when runtime drops noticeably, and keep the UPS in a cool, dry location to maximise service life.

What limit appears first when the 12V 12Ah battery runs under sustained load?

The 12Ah capacity determines total energy available; under continuous high-rate discharge the voltage will sag and the UPS will shut down once the stored charge is depleted.

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