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.

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Etap Battery (Front Or Rear Derailleur) Qty 1:, Black

Product ID: 310768141

Details

Battery capacity
12000
Battery cell composition
Lithium Ion
Brand
Sram
Number of batteries
1 Unknown
Recommended uses for product
Bicycle

⚡Fast recharge capability

🔋Long-lasting power

🚴‍♂️Seamless derailleur compatibility

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€ 172.29

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In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your ride, own the road.

TRUSTED BY PROS - Top-ranked bike battery with a stellar 4.7-star rating from over 1,100 riders.
EFFORTLESS ROTATION - Use multiple batteries in rotation to ensure uninterrupted power on every ride.
LIGHTWEIGHT COMPACT - At just 50g and sleek dimensions, it won’t weigh down your performance.
ENDURANCE READY BATTERY - Keep your ride powered through epic long-distance adventures without a hitch.
PRECISION COMPATIBILITY - Designed specifically for SRAM eTap front or rear derailleurs for flawless shifting.

The SRAM eTap Battery is a lightweight, high-performance power source engineered for SRAM’s wireless front and rear derailleurs. With a compact design and reliable endurance, it supports long rides and seamless gear shifts, making it a top choice among cycling enthusiasts and professionals alike.

Specifications

ASIN	B0186OPWJA
Amperage	1.5 Amps
Antenna Location	Bicycle
Battery Capacity	12000
Battery Cell Type	Lithium Ion
Battery Weight	20 Grams
Best Sellers Rank	#15,540 in Sporting Goods ( See Top 100 in Sporting Goods ) #6 in Bike Batteries
Brand	Sram
Built-In Media	Battery
Compatible Phone Models	Sram
Customer Reviews	4.7 4.7 out of 5 stars (1,271)
Global Trade Identification Number	00710845780615
Item Dimensions	24.1 x 2.5 x 12.7 centimeters
Item Type Name	AM ETAP BATTERY QTY1
Item Weight	0.11 Pounds
Manufacturer	SRAM
Model Name	Am Etap Battery Qty1
Model Number	00.3018.102.000
Number of Batteries	1 Unknown batteries required.
Reusability	Rechargeable
UPC	710845780615
Unit Count	1 Count
Voltage	12 Volts

Reviews

L**T

Ce monte très bien sur le dérailleur sram. Bon matériel.

7.04.2026

T**É

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

3.05.2026

R**N

Works as expected

1.05.2026

A**O

Bom material

15.04.2026

D**S

Arrived early, perfect purchase

9.07.2020

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