APCRBC158

Schneider Electric lists APCRBC158 for BN1050M in the USA and Canada.

Listed by Schneider Electric

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What the source says

Schneider Electric's FAQ gives the part number and says whether you can replace the battery yourself. It doesn't list voltage, battery count, chemistry, or connector details.

Source

What is the Replacement Battery for my Back-UPS in USA and Canada?
USA and Canada. Published September 12, 2025. Last modified August 5, 2026.
Last checked October 17, 2026.

Other models listed with APCRBC158

BX1000M

If a new battery isn't the answer

The warning is still on Common problems Beeping or chirping Triage guide Other Back-UPS modelsFamily list