SRAM AXS Battery Compatibility Chart

Quick Answer

The safest AXS battery compatibility rule is to match the physical battery format first, then confirm the exact component family. A product name that mentions AXS is not enough by itself; riders should check the battery shape, contact layout, and the component that uses the battery.

This page is designed as a pre-purchase fitment chart. It should reduce returns and build trust by making the confirmation step obvious.

Compatibility Checklist

Rider setup	What to confirm before purchase
Road AXS drivetrain	Confirm the battery format used by the rear derailleur and, if relevant, front derailleur.
Gravel AXS/XPLR setup	Confirm the rear derailleur battery interface and whether the bike uses any different accessory batteries.
Eagle AXS MTB setup	Confirm the derailleur battery shape and contact layout before buying a replacement.
Reverb AXS dropper post	Confirm the dropper post uses the same removable battery format you are replacing.
Mixed-brand bike	Do not rely on bike model alone; check the actual installed component.

Fitment Language to Use on Shopify

Recommended wording: compatible replacement battery for AXS-style electronic drivetrain and dropper post setups. Avoid saying original, genuine, official, OEM, or authorized unless those statements are legally and commercially true.

How to Use This Chart

Remove the current battery from the component.
Compare its physical shape and contact points with the product images.
Check your component model, not only the bike brand.
If anything looks different, do not purchase until fitment is confirmed.

VELYN Product Angle

The VELYN page can link to this chart from the battery product page. That gives buyers a clear confirmation path and gives Google a stronger compatibility-focused page to index.