We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Single sealed 12V battery cartridge in plastic housing

RefurbUPS

RefurbUPS Tripp Lite OMNI900LCD Compatible Replacement Battery Kit 12V 7A RBC51

SKU CH-C9NG-1X5M2

A 12V 7A sealed lead-acid battery kit replaces the cartridge in Tripp Lite OMNI900LCD UPS units

  • TypeKit/Package
  • Weight6
  • Compatible with Tripp Lite OMNI900LCD UPS
  • 12V 7A sealed lead-acid battery included
  • Factory fresh cells ensure reliable backup power
  • RBC51 compatible replacement kit ready to install
  • Comprehensive installation instructions provided for easy swap

Compatible UPS Battery Kit

This replacement battery kit is designed for the Tripp Lite OMNI900LCD uninterruptible power supply. It supplies a single 12 V 7 A sealed lead-acid cartridge that restores backup runtime when the original cells wear out. The kit suits IT managers and home-office users who need a direct, factory-fresh swap without sourcing individual cells. Installation instructions are included for a straightforward changeover.

Thermals Noise and Power Draw

The sealed lead-acid chemistry runs passively with no fan, so it adds no audible noise to the UPS enclosure. Normal float charging draws only a low trickle current from the UPS mains input. During a discharge event the battery delivers its rated capacity without generating noticeable heat inside the unit. No active cooling or extra ventilation is required beyond the UPS design.

Build Integration and Constraints

The cartridge fits the existing battery compartment of the OMNI900LCD, using the same connector layout as the original RBC51 pack. No wiring modifications, mounting brackets or firmware updates are needed. Replacing the pack restores the UPS to its specified backup time and frees the operator from scheduling a full unit replacement. Dispose of the spent battery through an approved recycling channel.

Highlights

  • Compatible with Tripp Lite OMNI900LCD UPS
  • 12V 7A sealed lead-acid battery included
  • Factory fresh cells ensure reliable backup power
  • RBC51 compatible replacement kit ready to install
  • Comprehensive installation instructions provided for easy swap

Specifications

BrandTrippLite Omni Series
SeriesTrippLite Omni Series Batteries
TypeKit/Package
Weight6

Questions about this item

How do I install the 12V 7A battery in my OMNI900LCD UPS and what step do people miss?

Open the front panel, disconnect the old battery leads noting polarity, connect the new 12V 7A battery matching red to red and black to black, then secure the panel; the step often missed is verifying the polarity before tightening the connectors.

What maintenance will this RBC51 compatible kit need and when should I replace it?

The sealed lead-acid battery requires no fluid checks; plan to replace it every three to five years or when the UPS reports a battery fault during self-test.

What limit appears first during a long power cut with this 900 VA UPS battery?

Runtime is the first limit; the 12V 7A capacity supports the load only for a short period, so extended outages will drain the battery before any thermal or component limit is reached.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.