Congrats, you’ve got an ONYX! I’m based in Midtown Manhattan if you need a hand. This blog offers practical guides to maintaining, modifying, and safely riding your bike.
Seven Years Later: What's Next
What’s changing, what I’m continuing to work on, and my plans for expanding the ONYX blog and developing a Spotify podcast.
72V: Stock Settings, Tuning, and Upgrades
Compare the 23 Ah, 41 Ah, and 45 Ah ONYX batteries on the same factory Kelly tune, from voltage sag and current to how the bike holds its pull.
60V CTY2 & 72V–96V RCR: ONYX AMORGE Battery Options
Review AMORGE’s 60V CTY2 and 72V–96V RCR packs, ranging from 25Ah to 60Ah. Compare cells, current ratings, cover fitment, connectors, and listed prices.
Northeast Battery Systems: Custom ONYX Battery Packs
Northeast Battery Systems builds new batteries to customer specifications and repairs or rebuilds existing packs. Includes my experience and contact details.
72V & 80V: BMS Apps and Battery Monitoring
Explains how ONYX BMS apps function across battery types, including Super Power, Xiaoxiang, and ANT systems, with focus on voltage scaling between 72V and 80V, connection troubleshooting, configuration differences, misinterpretations, and how to combine BMS data with real-world behavior for accurate diagnostics.
72V & 80V: Launch Technique and Race Preparation
Analysis of launch technique, traction limits, power delivery, rider control, environmental conditions, structured run coordination, platform mode behavior, thermal management, and system consistency across ONYX configurations.
72V & 80V: New Owner Guide
Explores how new riders can adapt to the ONYX platform, covering early riding practices, body position, everyday usability, charging habits, and considerations before making modifications.
72V & 80V: Range and Efficiency Testing
Interpret reported ONYX range, distinguish trips with charging stops from single-charge estimates, and plan repeatable Wh/mile comparisons.
72V: 41Ah Battery Balancing and Recovery
Separate stock balancing from temporary recovery settings, check the actual BMS variant, and distinguish imbalance from a failed sensing connection.
72V: 41Ah Battery Guide
Identify your 41Ah battery and BMS, check normal charging and riding behavior, and find the applicable balancing, calibration, and diagnostic procedures.
72V: 41Ah Battery Stock BMS Settings
Find the recorded 41Ah BMS capacity, balancing, protection, and temperature-sensor settings, and identify the battery variant before restoring values.
72V: 45Ah Battery Guide
Explains how the 72V 45Ah ONYX battery behaves in real-world use, covering voltage ranges, cell balancing, charging strategy, temperature limits, and practices that affect lifespan and reliability.