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MRX Solutions offers a dual pack of high-quality, rechargeable lithium-ion replacement batteries designed for SRAM AXS and eTap components, including derailleurs and RockShox Reverb droppers. Each battery delivers up to 60 hours of runtime for road derailleurs and droppers, with compatibility across multiple SRAM models. The package includes red protective covers with charge status switches and supports SRAM app monitoring for real-time battery life updates, ensuring riders stay powered and prepared on every ride.









| ASIN | B09BC3GY5W |
| Antenna Location | Bicycle |
| Battery Capacity | 3 Volts |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 1 Ounces |
| Battery capacity | 3 Volts |
| Battery cell composition | Lithium Ion |
| Best Sellers Rank | #14,970 in Sporting Goods ( See Top 100 in Sporting Goods ) #5 in Bike Batteries #969 in Sports & Recreation Technology Products |
| Brand | MRX Solutions |
| Customer Reviews | 4.0 out of 5 stars 264 Reviews |
| Item Weight | 0.06 Kilograms |
| Manufacturer | MRX Solutions |
| Model Name | Batteries |
| Number of Batteries | 2 Product Specific batteries required. |
| Number of batteries | 2 Product Specific batteries required. |
| Recommended uses for product | Bicycle |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Unit count | 1.0 Count |
| Voltage | 12 Volts |
C**H
Have two bikes with SRAM AXS and needed backup batteries
I own a MTB and Gravel bike both run Sram AXS. Each came with a SRAM branded battery. I also have a road bike with Shimano Di2. The Di2 battery lasts months while the SRAMs run about half of that. But the SRAMs are easier to remove and cheaper to replace. Although these MRX versions are much better value. Due to the shorter battery life I needed to start carrying a back up. Found these and saw decent feedback and have had no issues so far. Some claim these do not last as long as the SRAM branded batteries. My guess is they likely come from the same factory. I have not conducted any rigorous testing to determine if they are better or worse but for the much lower price it is a no brainer to have 3 or 4 of the MRX on hand.
E**Z
Excelente producto
Funcionan súper bien
C**S
Race-test outstanding, initial testing successful
Previous reviews had me a little curious on whether these would work, but they arrived on time, charged fine and the derailleur accepted them no problem so... yeah? \o/ I will take them out for race ride testing tomorrow and if I do not have to switch back to the original battery in the 90 minutes or so I will be riding then they are fine. I was more looking at a "bring me home in case I forget to charge the original battery" solution , so any downsides from here on which are not including running for less than 90 minutes would be acceptable given the original replacements go for 90 to 120 bux and these were 40 for two of them.
W**M
Good batteries
Bought these for when I forget to charge the seam batteries that came with my bike. They perform well and I can’t tell much of a difference in ride time between these and the sram batteries. Price is very good.
A**B
No funciona provoca falso contacto
Artículo de muy baja calidad. Queda más pequeño que el origina Lo cual provoca un falso contacto y no funciona correctamente
Trustpilot
2 days ago
2 weeks ago