eTap & eTap AXS Battery

eTap/AXS Battery

• What type of batteries do eTap AXS shift-brake levers require?
One CR2032 per shifter. The same as the previous RED eTap™ groupset. See the shifter and controller battery replacement procedure here. See more
• How do I charge eTap AXS derailleur batteries?
To charge Rival eTap AXS derailleur batteries, remove the battery from the derailleur to charge them on the eTap battery charger.  These derailleur batteries are very small and easy to remove witho... See more
• How long does it take to charge eTap AXS derailleur batteries?
The full charge time is typically 60 minutes when charged with an A/C adapter. The charger uses a micro-USB interface. A standard USB to micro-USB cable is used to connect the charger to the power ... See more
• How should I store my AXS equipped bike and derailleur batteries during the off-season or when the bike is not in use for 2-3 months or more?
AXS equipped bikes should be stored with the batteries removed from the derailleurs with the protective covers installed to prevent damage to the battery latch and contacts.  AXS derailleur batteri... See more
• How far can I ride on a fully charged Rival eTap AXS derailleur battery?
At full charge under normal use, the system will provide one month of riding or 1000+ kilometers (over 620 miles)-about 60 riding hours. See more
• How long do eTap AXS shifter batteries last?
The CR2032 shifter batteries used in all eTap AXS electronic drop bar shifters will last about two years under normal use (estimated at 15 riding hours per week). See more
• How do I know how much battery life is left on my derailleur or shifter battery before I go out for a ride?
Rival eTap AXS uses the same indicator lights on the derailleurs and shift levers as our other existing AXS products to show current battery life: >25% = green <25% = red <15% = flashing red Batter... See more
• Are SRAM AXS controller (shifter) batteries replaceable?
Yes. SRAM etap AXS and Eagle AXS shifters use one CR2032 coin type battery each. See more
• Are the front and rear derailleur batteries interchangeable?
Yes. Additionally, shifters use one CR2032 coin type battery each. See more
• What happens when an eTap® 2x11 battery is low? Will the shifts slow down? Will the shifter work intermittently?
Shifting performance is unchanged regardless of remaining battery charge. The components do provide indicator lights for battery life. After each shift, a light on each component turns on:   Rear d... See more
• Will the parts stay “on” when the bike is on my car rack?
Yes. But when you aren’t shifting, the battery trickle down is incredibly slow. Additionally, Sensors in each part ensure that the components go into sleep mode automatically when you aren’t riding... See more
• How far can I ride on a fully charged derailleur eTap® 2x11 battery?
At full charge under normal use, the system will provide one month of riding or 1000+ kilometers (over 620 miles). See more
• How do I know when to charge the eTap® 2x11 derailleur or replace the shifter batteries?
After each shift a green indicator light on each component turns on. Once battery charge is below 25%, the light turns red. Below 15% the light starts to flash red. Sensors in each part ensure that... See more
• How long do the eTap® 2x11 shifter batteries last?
The shifter batteries will last two years under normal use (estimated at 15 riding hours per week). See more
• Are the eTap® shifter batteries rechargeable?
No, they are replaceable with a CR2032 battery. See more
• How long does it take to remove 2x11 eTap® shifter batteries?
To remove eTap 2x11 shifter batteries, peel back the hood and remove three screws on the battery hatch. It is a 5-minute job. Hoods do not have to be fully removed for access to the battery. See more
• Do I have to remove the eTap® derailleur batteries to charge them?
Yes, you have to remove the batteries from the derailleurs to charge them.  See the SRAM RED eTap System Overview video for a tutorial on removal, installation, charging of the batteries, and the i... See more
• Can I charge both eTap® derailleur batteries at the same time?
Yes, by linking in another charger. The derailleurs do not use power at the same rate, so they typically do not require charging at the same time. See more
• How long does it take to charge eTap® derailleur batteries?
Typical full charge time is 60 minutes when charged with an A/C adapter. The charger uses a micro USB interface. A standard USB to micro USB cable is used to connect the charger to the power source... See more
• Does the eTap® battery charger come with the proper A/C power adaptor for my country?
Yes. Remember that the charger uses a USB power cord. That means you can easily charge it anywhere you have a USB power source (e.g. computer, car, cell phone A/C to USB power adaptor, solar USB ch... See more
• Do I need a tool to remove the eTap® derailleur battery?
No. Batteries are removed using a tool-free latching mechanism. See more
• What keeps the eTap® derailleur battery from falling off?
The batteries are attached to the derailleurs by a tool-free latching mechanism. See more
• Does SRAM recommend carrying a spare eTap® battery (or batteries) when going on a long ride?
This is not necessary. But, for riders that want to do this, a derailleur battery terminal cover is available to protect the battery contacts and indicate whether the battery is charged or not. See more
• What happens when an eTap® derailleur battery runs out of charge? Where does the derailleur stop?
The derailleur remains in the gear it was already in when the battery runs out of charge. Batteries are interchangeable between front and rear derailleurs to help get you home if you don’t have a s... See more
• How long does it take to charge an AXS battery?
It takes approximately one full hour to charge a SRAM AXS battery.  See more
• Are 11-speed SRAM RED eTap derailleur batteries compatible with SRAM RED and Force eTap AXS derailleurs?
Yes. Both groups use the same batteries and chargers. See more