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Three 12V 9Ah batteries in a 21kg replacement kit

RefurbUPS

RefurbUPS DS1500B UPS replacement battery kit 12V 9Ah 3-pack 21kg

SKU CH-KN01-ZWFQK

Three 12 V 9 Ah batteries totalling 21 kg replace the power cells in an OPTI-UPS DS1500B unit

  • Product typeBattery
  • Product weight21
  • Factory fresh cells ensure reliable UPS runtime
  • Three 12 V 9 Ah units match DS1500B spec
  • High-performance design supports critical power protection
  • 21 kg kit ships ready for immediate installation

Compatible replacement kit for OPTI-UPS DS1500B

This three-pack of 12 V 9 Ah batteries restores runtime to an OPTI-UPS DS1500B uninterruptible power supply. It is intended for administrators who need factory-fresh cells to bring an existing unit back to full backup capacity.

Sealed lead-acid cells run cool

The maintenance-free design produces no audible fan noise and adds negligible heat to the rack environment. Power draw during float charging stays low, keeping ongoing energy costs minimal for the 21 kg kit.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $67.99
Pricier than about 70% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Product typeBattery

Questions about this item

How do I install the three 12V 9Ah batteries in my OPTI-UPS DS1500B UPS, and which step is most often missed?

Power down and unplug the UPS, open the battery compartment, disconnect the old cartridge, connect the new batteries in the same series arrangement, secure the cover, then power on and run a self-test; the step most often missed is the self-test.

What maintenance or replacement will the 12V 9Ah batteries in this kit need later?

These sealed lead-acid batteries typically last three to five years; plan to replace the full three-battery set when runtime drops noticeably or the UPS signals a battery fault.

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