18650 vs. 21700 E-Bike Battery Cells: What Pack Specifications Really Reveal
Learn what 18650 and 21700 cell formats reveal about e-bike battery layout, energy, current limits, heat, and supplier documentation.
Explore the ecosystem
20 in-depth articles covering technology across the electric bicycle ecosystem.
Learn what 18650 and 21700 cell formats reveal about e-bike battery layout, energy, current limits, heat, and supplier documentation.
Understand how 36V and 48V e-bike systems affect current, compatibility and design choices, without confusing voltage with range or capacity.
Avinox has pushed premium e-bike motors toward higher torque and peak output. Here is what M1, M2 and M2S reveal about the next phase of e-bike drive-system competition.
A clear guide to what Avinox has confirmed about the MG Concept Motor, what remains unknown, and how it differs from existing Avinox systems.
Learn how to separate DJI Avinox drive-unit, battery, software and complete-bike specifications when comparing Avinox-equipped e-bikes.
A practical Avinox MGU comparison covering mid-drive architecture, drivetrain integration, workshop interfaces and limits of official specifications.
Understand what an e-bike battery BMS monitors, how balancing and protection cutoffs work, and how to approach common battery fault symptoms safely.
Learn how an e-bike brake cutoff sensor stops motor assist, how to identify a likely fault, and why it must be restored before riding.
Learn how to read an e-bike motor IP rating, what its dust and water tests cover, and why it does not define whole-bike weather resistance.
Understand e-bike regenerative braking, which motor systems can support it, its limits for range, and what to verify in manufacturer documentation.
What watt-hours mean, how battery size affects range and weight, and how to choose between 400Wh, 500Wh, 625Wh and 800Wh e-bike batteries.
A practical guide to hub-drive and mid-drive e-bike motors, covering efficiency, ride feel, maintenance, cost, torque, gearing, and the use cases each system suits best.
Learn what rated and peak e-bike motor power mean, how Chinese listings use watt figures, and what to check before comparing models or markets.
Understand continuous power, peak watts, torque, cadence and gearing so you can compare e-bike motors without being misled by headline specifications.
Compare hub motors and mid-drives for hills, commuting, cargo, handling, drivetrain wear and service before choosing an e-bike.
Compare LFP and NMC e-bike batteries by energy density, weight, voltage architecture, ageing, safety considerations and pack design.
Pinion’s production MGU and Avinox’s 2026 MG Concept show why integrating motor and transmission could reshape e-bike drivetrains, maintenance and frame design.
Understand torque sensor vs cadence sensor e-bike assist, how each responds to pedaling, and what to compare before buying.
Understand torque sensor vs cadence sensor e-bike assist, how each responds to pedaling, and which specifications matter before buying.
Understand torque vs cadence sensor e-bikes, how each responds to pedalling, and which system may suit your terrain, effort, and riding style.