SRAM eTap / AXS Battery — EP-EAC-BAT-A1

The SRAM eTap / AXS Battery is the compact, lightweight power source that drives all of SRAM’s wireless electronic components. Whether you're running eTap AXS derailleurs, Eagle AXS mountain bike drivetrains, or the RockShox Reverb AXS dropper post, this single battery design keeps your system running smoothly. With a full charge in under an hour and up to 1000 km of ride time per charge, it's the reliable energy solution for your wireless setup. Key Features Universal battery for all SRAM AXS and original RED eTap components Compatible with eTap AXS, Eagle AXS, and Reverb AXS Fully charges in 60 minutes or less Lightweight design (24g) for easy transport Swappable between front and rear derailleurs Up to 1000 km of riding per charge Why Choose the SRAM eTap / AXS Battery? This battery simplifies your electronic drivetrain setup by offering a single, interchangeable power source across all AXS components. Its quick charging time and substantial ride duration make it an essential for riders seeking efficiency and reliability. Specs Feature Details Model ID EP-EAC-BAT-A1 Battery Type Rechargeable Lithium-Ion Polymer Capacity 300 mAh / 3.7 V Weight 24g Charge Time ≤ 60 minutes Compatibility All SRAM AXS components, original RED eTap Finish Black Compatibility SRAM RED eTap AXS (road) SRAM Force/Rival eTap AXS SRAM Eagle AXS (MTB) RockShox Reverb AXS seatpost Not compatible with mechanical drivetrains What’s in the box? 1x SRAM eTap / AXS Battery (EP-EAC-BAT-A1)