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Two sealed 12V 18A batteries in a replacement kit for SU1250 UPS

RefurbUPS

RefurbUPS Smart-UPS 1250 SU1250 Compatible Replacement Battery Kit

SKU CH-F2PK-94HWP

A replacement battery kit containing two 12V 18A SLA batteries compatible with APC SU1250 UPS units

  • TypeBattery
  • Weight30
  • Compatible kit with two 12 V 18 Ah batteries
  • Replaces APC SU1250 UPS battery packs
  • Reuse existing wiring harness to cut waste
  • Factory-fresh sealed lead-acid cells for reliability
  • Includes step-by-step installation instructions

Compatible replacement kit for SU1250 UPS

This kit provides two 12V18A sealed lead-acid batteries designed as a direct replacement for the APC Smart-UPS 1250. It is intended for administrators maintaining existing SU1250 units who need to restore runtime without replacing the entire UPS. The batteries arrive factory fresh and include comprehensive installation instructions for a straightforward swap.

Sustained discharge performance for critical loads

The high-rate discharge cells are built to deliver consistent power during extended outages rather than only brief interruptions. Reusing the original wiring harness reduces connection resistance and helps maintain reliable voltage delivery throughout the discharge cycle. This design supports demanding server and network equipment that cannot tolerate voltage sag during long backup periods.

Verify model match and harness condition before

Confirm the UPS label reads SU1250 or Smart-UPS 1250 to ensure the two-battery configuration fits the chassis and voltage requirements. Inspect the existing wiring harness for cracked insulation or corroded terminals, as damaged cables can compromise the new batteries. No other tools or parts are referenced in the kit, so plan for basic hand tools during installation.

Highlights

  • Compatible kit with two 12 V 18 Ah batteries
  • Replaces APC SU1250 UPS battery packs
  • Reuse existing wiring harness to cut waste
  • Factory-fresh sealed lead-acid cells for reliability
  • Includes step-by-step installation instructions

Specifications

TypeBattery
Weight30

Questions about this item

How much power does this 1250 kit draw once it is running all day?

The two 12V18A sealed lead-acid cells store energy rather than draw it; the UPS charger supplies a low float current and the batteries themselves produce no heat or noise during standby.

What existing hardware must I already own for this kit to work?

You need a compatible APC Smart-UPS 1250 unit and its original wiring harness; the kit reuses that harness and contains only the two replacement 12V18A batteries.

Will these 12V18A cells fit alongside the original batteries in my older SU1250?

Yes, the kit is built to match the form factor of the factory cells, so the two 12V18A batteries slot into the existing tray without modification.

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