What kind of battery does the Rival power meter use? January 07, 2022 22:10 Updated One Lithium AAA battery is required, capable of providing over 400 hours of use. Related articles How do I update the firmware of my Rival power meter? How do I change the battery in a Rival power meter? Can Alkaline AAA batteries be used in the SRAM Rival power meter? Battery Drain - Battery Drains In Under 30 Days SRAM 1X Chain Rings. Which Quarq power meter is compatible? Comments 0 comments Article is closed for comments.