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Three sealed lead-acid batteries in a kit, rectangular black casings with terminal posts

RefurbUPS

RefurbUPS DS1000B-RM 12V7A 3-battery ups replacement battery kit

SKU CH-RCJV-ZZ38K

Three 12V 7Ah sealed lead-acid batteries replace the OPTI-UPS DS1000B-RM cartridge, factory-fresh and supplied with installation instructions

  • TypeKit/Package
  • Weight18
  • Three high-rate 12V7A SLA batteries power the OPTI-UPS DS1000B-RM
  • Factory-fresh cells deliver reliable runtime when mains power fails
  • Kit includes comprehensive installation instructions for straightforward replacement
  • 18 kg total weight reflects robust lead-acid construction
  • Compatible replacement kit restores UPS performance without modification

Compatible kit for OPTI-UPS DS1000B-RM

This replacement battery kit supplies three 12V7A sealed lead-acid cells designed for the OPTI-UPS DS1000B-RM uninterruptible power supply. It is intended for administrators who need to restore runtime on an existing unit without sourcing individual batteries. The package includes installation instructions so the swap can be completed in-house.

Sustained discharge behaviour

Each cell is rated for high-rate discharge, meaning it delivers its rated current steadily during a power event rather than only in a short burst. The three batteries work in series to maintain the UPS output voltage throughout the discharge curve. Factory-fresh stock ensures the cells start at full capacity when installed.

Lead-acid chemistry limits

Sealed lead-acid chemistry imposes a finite cycle life and gradual capacity loss over time, especially if the UPS remains at float charge continuously. The 12V7A format fixes the total energy storage, so runtime cannot be extended beyond what the three cells provide. Regular testing and timely replacement are required to keep the UPS reliable.

Highlights

  • Three high-rate 12V7A SLA batteries power the OPTI-UPS DS1000B-RM
  • Factory-fresh cells deliver reliable runtime when mains power fails
  • Kit includes comprehensive installation instructions for straightforward replacement
  • 18 kg total weight reflects robust lead-acid construction
  • Compatible replacement kit restores UPS performance without modification

Specifications

BrandOptiUPS
SeriesOptiUPS
TypeKit/Package
Weight18

Questions about this item

How much heat do three 12 V 7 A SLA batteries add when the UPS runs all day?

The three 12 V 7 A sealed lead-acid cells are rated for high-rate discharge and generate only modest warmth under normal load; typical rack UPS airflow is enough to keep temperatures stable.

What must I already own to use this replacement kit?

You need an OptiUPS DS1000B-RM UPS unit that accepts three 12 V 7 A battery cartridges; the kit includes installation instructions but no UPS hardware.

Will these batteries work with the older DS1000B-RM chassis I still run?

Yes, the kit is built as a direct cartridge match for the DS1000B-RM, so the original wiring harness and battery bay accept all three cells without modification.

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