What is the warranty on eTap® battery? October 17, 2017 18:30 Updated The rechargeable batteries are covered against material defects for two years. Please see the SRAM warranty page for complete information. Related articles How long do the eTap® 2x11 shifter batteries last? How do I know when to charge the eTap® 2x11 derailleur or replace the shifter batteries? How long does it take to remove 2x11 eTap® shifter batteries? How do I submit a warranty claim for SRAM, RockShox, and Zipp products? Do I have to remove the eTap® derailleur batteries to charge them? Comments 0 comments Article is closed for comments.