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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SRAM eTap and eTap AXS Battery

Product ID: 29100666

Details

Battery Capacity
389 Milliamp
Battery Cell Composition
Alkaline
Brand
SRAM
Number of Batteries
1 Unknown
Unit Count
1.0 Count

⚡60-min fast recharge

🔋389mAh high-capacity power

🪶ultra-light 24g weight

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Rp2392381

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Battery Capacity
389 Milliamp
Battery Cell Composition
Alkaline
Brand
SRAM

Description

🔋 Power your ride, own the trail—fast, light, unstoppable.

FEATHERWEIGHT DESIGN - At just 24 grams, this battery keeps your bike light and agile without sacrificing power.
SEAMLESS COMPATIBILITY - Works flawlessly with SRAM eTap, Eagle AXS, RockShox Reverb AXS, and Flight Attendant systems for a fully integrated ride.
LIGHTNING FAST RECHARGE - Get back on the road in under 60 minutes with advanced fast-charging technology—minimize downtime, maximize adventure.
POWER THROUGH EVERY RIDE - High-capacity 389mAh battery ensures extended, reliable performance for all SRAM AXS components.
DURABILITY MEETS CONVENIENCE - Protected by a rugged terminal cover to guard against dirt and moisture, ensuring consistent connectivity and hassle-free swaps.

The SRAM eTap and eTap AXS Battery is a lightweight (24g), high-capacity (389mAh) lithium-ion power source designed for seamless wireless integration with SRAM’s eTap, Eagle AXS, and RockShox AXS components. Featuring rapid 60-minute charging and a durable protective cover, it delivers reliable, long-lasting performance to keep your electronic shifting system precise and responsive on every ride.

Specifications

ASIN	B0186OPWJA
Amperage	1.5 Amps
Battery Capacity	389 Milliamp Hours
Battery Cell Composition	Alkaline
Battery Cell Type	Alkaline
Battery Weight	24 Grams
Brand	SRAM
Built-In Media	Electronic Shifter Part, SRAM
Customer Reviews	4.7 out of 5 stars 1,329 Reviews
Global Trade Identification Number	00710845780615
Item Dimensions	9.5 x 1 x 5 inches
Item Weight	0.12 Pounds
Manufacturer	SRAM
Model Name	AXS/ETap
Model Number	00.3018.102.000
Number of Batteries	1 Unknown batteries required.
Reusability	Rechargeable
UPC	710845780615
Unit Count	1.0 Count
Voltage	12 Volts
Warranty Description	Limited Warranty

Reviews

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

K**N

Authentic SRAM

Authentic Sram battery for my AXS, no more getting stranded.

10.09.2025

L**O

Works fine

Exellent for a back up! Always keep one in your glove box when needed

29.07.2025

L**T

Très bien

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

7.04.2026

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

A**O

SRAM é qualidade

Bom material

15.04.2026

D**S

Arrived early

Arrived early, perfect purchase

9.07.2020

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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2 months ago

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Rp2392381

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Indonesia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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4 days ago

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