744-A2221

Eaton's USA replacement selector lists 744-A2221 for the 5P1000R, with a quantity of 1.

Listed by Eaton

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What the source says

The selector names this part and a quantity of 1. Price, size, and weight are on the Eaton page. The source doesn't list voltage, chemistry, or connector details.

Source

Eaton USA UPS replacement selector, 5P1000R
5P1000R only. The USA selector names one replacement part and a quantity of 1.
Last checked October 17, 2026.

If a new battery isn't the answer

The warning is still on Common problems Beeping or chirping Triage guide Eaton 5P listFamily