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Four black rectangular 12V batteries in a pack

RefurbUPS

RefurbUPS RB1290X4D UPS Replacement Battery Kit 12V 9Ah 4 Pack

SKU CH-Q81W-S0CAC

Four 12 V 9 Ah batteries weigh 28 lb and replace CyberPower RB1290X4D packs

  • TypeBattery
  • Weight28
  • Factory-fresh cells deliver reliable runtime
  • Four 12 V 9 Ah units in one kit
  • 28 lb pack simplifies single-order logistics
  • Direct CyberPower RB1290X4D compatible replacement

Four-battery kit for UPS maintenance

This kit contains four 12V 9Ah batteries designed as a direct replacement for compatible CyberPower UPS units. The sealed lead-acid cells arrive factory fresh and ready for immediate installation. It suits IT staff and facility managers who need to restore runtime on existing power protection equipment.

Replaces worn-out cartridge sets

Swapping the entire set at once avoids the imbalance that shortens overall runtime when only one cell is changed. The upgrade is worth it when battery tests show reduced hold-up time or when the UPS signals a replacement alert. Buyers who need a different voltage, capacity or connector type should verify specifications before ordering.

Highlights

  • Factory-fresh cells deliver reliable runtime
  • Four 12 V 9 Ah units in one kit
  • 28 lb pack simplifies single-order logistics
  • Direct CyberPower RB1290X4D compatible replacement

Specifications

TypeBattery
Weight28

Questions about this item

What are the dimensions and weight of the 12 V 9 Ah batteries in this kit?

Each battery is 12 V 9 Ah. The total kit weight is 28 units as supplied by the manufacturer.

How do I install the four batteries to replace the CyberPower RB1290X4D cartridge?

Remove the old cartridge, place the four 12 V 9 Ah batteries in the same orientation and wiring order, then secure the connections before closing the UPS cover.

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