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Two black rectangular sealed lead-acid batteries side by side

RefurbUPS

RefurbUPS Upsonic UPS 300 Replacement Battery Kit (2× 6V 12A)

SKU CH-KY1M-X1RZV

Kit of two 6 V 12 Ah sealed lead-acid batteries compatible with the Upsonic UPS 300, weighing 10 kg

  • TypeKit/Package
  • Weight10
  • Compatible 6 V 12 A SLA kit restores UPS 300 runtime
  • Two factory-fresh batteries deliver high-rate discharge performance
  • Drop-in cartridge design simplifies battery replacement
  • Includes step-by-step installation instructions for quick setup
  • New condition ensures reliable backup power out of the box

Purpose and fit

This kit supplies two 6V 12A sealed lead-acid batteries designed as a direct replacement for the Upsonic UPS 300. It suits administrators or technicians who need to restore runtime on that specific UPS model without sourcing individual cells.

Critical specification

The package contains exactly two 6V 12A high-rate discharge batteries that match the original UPS 300 cartridge layout. No other voltage, capacity or cell count is included, so the kit only fits UPS units that require this precise pair.

Thermals noise and power

Sealed lead-acid chemistry runs silently with no moving parts and generates minimal heat during normal float charging. Power draw is limited to the UPS charger current, and the batteries add 10 units of weight to the cabinet.

Highlights

  • Compatible 6 V 12 A SLA kit restores UPS 300 runtime
  • Two factory-fresh batteries deliver high-rate discharge performance
  • Drop-in cartridge design simplifies battery replacement
  • Includes step-by-step installation instructions for quick setup
  • New condition ensures reliable backup power out of the box

Specifications

BrandUpsonic
SeriesUpsonic Batteries
TypeKit/Package
Weight10

Questions about this item

What does the 12 A rating mean once the batteries are installed in my UPS 300?

Each 6 V 12 A battery delivers high-rate discharge capacity, giving the UPS 300 the runtime and peak current it was designed for during a power outage.

What connector standard do these cartridges use and what does it limit?

The kit uses the standard UPS 300 cartridge interface, so the only limit is the UPS's own charging circuit and runtime logic.

What physical space and mounting do the two 6 V blocks need inside the UPS 300?

They are direct-fit replacements for the original cartridge; the pair slides into the existing battery compartment and secures with the factory brackets.

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