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Essential Batteries

Essential Batteries

$6.00 CAD
Battery size

Nothing kills the motivation faster than a dead power meter, or a silent shifter. We stock the precise, high-performance lithium coin cells required to keep your electronic components running at 100%. All our batteries are sold in pairs.

Don't settle for unreliable generic batteries. We carry the exact sizes and chemistry demanded by your premium cycling electronics, ensuring maximum lifespan and stable voltage for your most critical devices.

Your Cycling Battery Guide

We've categorized the most common high-performance batteries you need to know about:

Battery Model

Critical Specifications

Common Application (What It Powers)

CR2032

3V, 20mm Diameter, 3.2mm Thickness

Sram AXS Shifters (Road/MTB), Most Cadence/Speed Sensors, Heart Rate Monitors, Older Power Meters (e.g., Quarq, Stages), Some Small Bike Lights.

CR1632

3V, 16mm Diameter, 3.2mm Thickness

New Shimano Di2 Shifters (R9200/R8100).

CR1/3N

3V, High-Capacity (Single Cell)

Garmin Rally Power Meter Pedals (RS, RK, XC Series).

The Alegro Advantage

  • Stable Performance: We stock high-quality lithium cells that deliver consistent voltage, critical for accurate power meter readings and reliable electronic shifting.

  • Always Fresh: Batteries degrade over time, even unused ones. Our stock turnover is fast, ensuring you always receive cells with the longest possible shelf life.

  • Convenience: Keep a spare! Don't let a dead battery spoil a weekend ride or a race day.


Running low? Grab the right battery now and keep the data flowing and the watts counting!

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