Not user-replaceable

Schneider Electric's USA and Canada FAQ says the battery in BE425M is not user-replaceable. Contact Schneider Electric (APC) support for service.

Listed by Schneider Electric

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.

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