How long does it hold a charge if I keep it in my bag as a spare?

(Perhaps overly detailed answer). I charged two of these batteries and a genuine SRAM one at the same time. I got 18 hours of riding out of the SRAM one over a 5 week period. Then I put in an MRX (5 weeks after charging), and got 12 hours over 4 weeks of riding. Then I put in the second MRX (now 9 weeks after charging) and got 8 hours. So, they seem to hold a charge well enough to use as backup.

Is this battery compatible with the sram etap charger?

I believe it’s the same charger for AXS and etap

What is the warranty on these batteries?

I don't know but for the money, just buy it. I haven't noticed the difference between it and the SRAM battery.

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MRX Solutions 2 Replacement Batteries for Sram AXS, for eTap Eagle XX1 X01 GX Reverb Force Rival Red XPLR, Just The Battery

Product ID: 393451992

Details

Battery Capacity
3 volts
Battery Cell Composition
Lithium Ion
Brand
MRX Solutions
Number of Batteries
2 Product
Recommended Uses For Product
Bicycle

📱SRAM App compatible

🔄100% interchangeable

🔋Up to 60h runtime

AED 199

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Description

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

SEAMLESS COMPATIBILITY - Fits SRAM AXS & eTap components including Eagle XX1, X01, GX, Force, Rival, Red, XPLR & RockShox Reverb.
SMART BATTERY MONITORING - Stay ahead with SRAM App integration to track battery life in real-time.
VERSATILE INTERCHANGEABLE - Use front or rear, derailleurs or droppers—one battery powers all your SRAM AXS gear.
ENDURANCE THAT KEEPS YOU RIDING - Up to 60 hours of power for road derailleurs and droppers—never cut your ride short.
DUAL BATTERY PACK WITH PROTECTIVE COVERS - Two batteries plus red covers with charge status switch—always be ride-ready.

MRX Solutions offers a dual pack of rechargeable lithium-ion replacement batteries designed for SRAM AXS and eTap components, delivering up to 60 hours of runtime. Fully interchangeable across derailleurs and droppers, these batteries come with protective covers featuring charge status switches and integrate seamlessly with the SRAM App for real-time monitoring, ensuring professional cyclists stay powered and connected on every ride.

Specifications

ASIN	B09BC3GY5W
Antenna Location	Bicycle
Battery Capacity	3 volts
Battery Cell Type	Lithium Ion
Battery Weight	1 ounces
Best Sellers Rank	#28,451 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #11 in Cycling Electronics
Brand	MRX Solutions
Customer Reviews	3.8 3.8 out of 5 stars (276)
Item Weight	0.06 kg
Manufacturer	MRX Solutions
Model Name	Batteries
Number of Batteries	2 Product Specific batteries required.
Reusability	Rechargeable
Unit Count	1 Count
Voltage	12 volts

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AED 199

Duties & taxes included

In stock

Sold byAmazon UAEDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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