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Two sealed 12V 18A lead-acid batteries in a kit

RefurbUPS

RefurbUPS Belkin F6C129XBAT UPS Replacement Battery Kit 12V 18A 2 Pack

SKU CH-A3GY-VA1M2

Two 12 V 18 A sealed lead-acid batteries replace the Belkin F6C129XBAT UPS cartridge

  • TypeKit/Package
  • Weight30
  • Two high-rate 12V 18A SLA batteries power critical UPS runtime
  • Factory-fresh cells ensure reliable backup when mains power fails
  • Kit includes both cartridges for a complete single-service swap
  • Step-by-step installation guide enables quick replacement without specialist tools
  • 30-weight package ships ready for immediate deployment

Direct UPS Battery Replacement

This kit supplies two 12V 18A sealed lead-acid batteries built to match the Belkin F6C129XBAT cartridge. It restores backup power to compatible UPS units without requiring a full device swap. The pack targets IT staff and home-office users who need immediate runtime recovery.

Factory-fresh cells with install guide

Each battery arrives new and ready for deployment, eliminating shelf-life uncertainty. The package includes step-by-step replacement instructions so technicians can complete the swap without specialised tools. A 30 weight figure reflects the combined shipping mass of the two-unit kit.

Restores original runtime for ageing units

The kit replaces depleted internal cartridges that no longer hold charge during outages. It is not suited for users seeking extended runtime beyond the UPS factory rating or for systems requiring higher-voltage battery strings. The upgrade is worthwhile when the existing UPS electronics remain functional but backup time has collapsed.

Highlights

  • Two high-rate 12V 18A SLA batteries power critical UPS runtime
  • Factory-fresh cells ensure reliable backup when mains power fails
  • Kit includes both cartridges for a complete single-service swap
  • Step-by-step installation guide enables quick replacement without specialist tools
  • 30-weight package ships ready for immediate deployment

Specifications

BrandBelkin
SeriesBelkin Batteries
TypeKit/Package
Weight30

Questions about this item

What voltage and capacity does each 129 battery provide?

Each battery in the kit is rated at 12 volts and 18 ampere-hours, matching the original Belkin F6C129XBAT specification.

What are the physical requirements for fitting these batteries into the UPS?

The kit contains two sealed lead-acid units sized to the original Belkin form factor; verify the existing battery bay dimensions match the OEM layout before installation.

How do I install the replacement kit and which step is most often missed?

Power down the UPS, disconnect it from mains, open the battery compartment, swap both 12 V 18 Ah units at once, then reconnect and run a self-test — skipping the self-test is the common oversight.

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