SRAM AXS Battery

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The SRAM AXS Battery is the compact, high-efficiency power source behind SRAM’s wireless AXS ecosystem. Designed for fast swaps, universal compatibility, and reliable long-lasting performance, this battery keeps your drivetrain operating with zero cables and minimal downtime. Key Features & Benefits Universal AXS CompatibilityOne battery powers all major AXS components, including front and rear derailleurs, Eagle AXS systems, and Reverb AXS seatposts, making it a fully interchangeable, system-wide solution. Tool-Free, On-the-Fly SwappingQuick-release design allows riders to swap batteries in seconds, critical for mid-ride contingencies or race scenarios where uptime matters. Fast Recharge CycleFully recharges in approximately one hour, with meaningful charge achievable in as little as 15 minutes, ideal for tight pre-ride prep windows. Lightweight, Compact DesignAt roughly 24 grams, the battery is negligible in weight yet high in output, making it easy to carry a spare without penalty. Reliable Ride DurationDelivers extended ride time per charge (commonly hundreds of miles depending on usage), minimizing charging frequency and reducing drivetrain interruptions. AXS App + LED MonitoringBattery status is easily tracked via onboard LED indicators or the SRAM AXS app, providing real-time visibility into charge levels. Technical Specifications Compatibility: SRAM eTap AXS & AXS ecosystem (road, gravel, MTB) Battery Type: Rechargeable lithium-ion Weight: ~24g Charge Time: ~60 minutes (full charge) Swap Method: Tool-free, snap-in design Interchangeability: Yes (front derailleur, rear derailleur, seatpost, MTB systems) Show more