did they solved the broken tab issue I have 4 battery’s all broken at the same place ?? the small tab broke up

I am hoping as I am buying a new one now. That said, I have only had one tab break since 2015. Not sure if recent failure is 5 years old or 2018 replacement. I suspect these come from China factory where engineers get paid to use less material; hence no radii at sharp corners where higher stress occurs.

Does anyone know what type of battery this is? lithium ion? nimh? nicad?

It's a Lithium Ion. I've been using them for a few Cycling Seasons. I carry a couple spares, but yet have not needed to swap out during any of my Century Rides and I do a lot of shifting during a day ride. During season I always keep Batteries Charging to be readily available. I ride in approx. 6+ century rides each cycling season, additionally I ride each "off" weekend and have yet to have battery issue.

Can i used this battery with my 12 speed eagle axs mountain bike derailleur?

Yes you can. I have Eagle AXS and the battery works fine.

Will this work with the new sram axs system?

Yes. It works fine with AXS. I have both and the battery is exactly the same as the one that came with the group and fits and functions perfectly.

Etap And Etap Axs Battery Bike Shifters And Parts

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🔋 Power your ride, own the trail—never get caught powerless again!

LIGHTNING FAST RECHARGE - Get back on the road in under 60 minutes with rapid charging technology—no more waiting around.
POWER THROUGH EVERY RIDE - High-capacity 389mAh battery keeps your SRAM AXS components energized for longer adventures.
FEATHERWEIGHT PERFORMANCE - At just 24 grams, this battery adds minimal weight, preserving your bike’s agility and speed.
BUILT TO BRAVE THE ELEMENTS - Durable terminal cover shields against dirt, moisture, and debris for consistent, reliable connectivity.
SEAMLESS SYSTEM INTEGRATION - Compatible across SRAM eTap, Eagle AXS, RockShox Reverb AXS, and Flight Attendant systems for total electronic control.

The SRAM eTap and eTap AXS Battery is a lightweight, high-capacity 389mAh lithium-ion power source designed for SRAM’s electronic shifting and suspension systems. With fast 60-minute recharge, durable protection, and broad compatibility, it ensures extended, reliable performance for serious cyclists seeking seamless, cutting-edge bike control.

Specifications

ASIN	B0186OPWJA
Amperage	1.5 A
Antenna Location	Bicycle
Battery Capacity	389 milliamp_hours
Battery Cell Composition	Alkaline
Battery Cell Type	Alkaline
Battery Weight	24 g
Best Sellers Rank	#28,193 in Health & Household ( See Top 100 in Health & Household ) #1 in Wheelchair & Mobility Scooter Replacement Batteries
Brand	SRAM
Compatible Phone Models	Sram
Customer Reviews	4.8 out of 5 stars 1,363 Reviews
Global Trade Identification Number	00710845780615
Included Components	Electronic Shifter Part, SRAM
Item Dimensions	9.5 x 1 x 5 inches
Item Weight	1.92 ounces
Manufacturer	SRAM
Model Name	AXS/ETap
Model Number	00.3018.102.000
Number of Batteries	1 Unknown batteries required.
Recommended Uses For Product	Bicycle
Reusability	Rechargeable
UPC	710845780615
Unit Count	1 Count
Voltage	12 volts
Warranty Description	Limited Warranty

Reviews

M**N

Spare Battery

Alway good to have a spare battery and this is it.

29.06.2026

D**.

Perfect Functionality

Great Product! Performs as it should. Thanks!

18.12.2025

J**R

It’s great

Works just like it should

15.04.2026

R**.

Lasts

great battery but pricey!

17.02.2026

M**5

Keep a spare in your kit!

A spare in the pocket prevents a good ride from becoming a bad one.

23.02.2026

B**B

Perfect.

works perfect for my SRAM shifters

4.12.2025

K**R

Great deal!

Very pleased!

7.01.2026

H**R

Holds it's charge

Great to have a spare battery in your pocket. Holds it's charge as advertised.

11.08.2025

T**É

Batterie original

Super ! C'est l'original , lieux et place et même chargeur. Tout est parfait 😁

3.05.2026

R**N

SRAM

Works as expected

1.05.2026

J**L

Batería de calidad

Buena batería de calidad, por lo que pagas y se espera.

12.07.2026

D**S

Arrived early

Arrived early, perfect purchase

9.07.2020

J**I

Buena batería

Es lo que esperaba!!

5.12.2024

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eTap and eTap AXS Battery | bike-shifters-and-parts

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Common Questions