The SRAM AXS battery powers SRAM eTap and AXS derailleurs and the RockShox Reverb AXS seatpost. It clips on and off with one latch, and the same battery fits all of them.

What it's for

A spare or replacement battery. Because every AXS battery is the same, you can swap one from your dropper to your derailleur to get home.

Compatibility

• Fits: Eagle AXS derailleurs, Reverb AXS seatposts, SRAM RED, Force, and Rival eTap AXS road groups

Care and service

• Charge time: about 1 hour with an A/C adapter
• Ride time: about 20 hours or more on an Eagle AXS derailleur
• Charges from a computer USB port or an A/C adapter
• Check battery status in the AXS app or with the LED on the component

Specs

• Weight: 25 g
• Part number: 00.3018.102.000