Watt does that mean? E-bike battery terms explained with help from TechQuickie

Volts, amps, watts, amp-hours, watt-hours, and miliamp-hours? What does all this mean? As I often struggle to understand these terms myself, I thought I’d do a post for all of us. Most e-bike batteries are described in voltages that are increments of 12. I mainly deal with 36, 48, and 52 volt batteries. For background, …

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12 years of the Longfellow Walking School Bus

Walk SF:Can you tell us about your connection to the Longfellow Elementary School Walking School Bus? Jason Serafino-Agar:My connection to the Longfellow Walking School Bus goes back to when Jacquie Zapata-Chavez decided to start one at Longfellow in 2008. I have stayed connected in the years as leadership has passed to other dedicated parents. Now, …

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Bike Friday Haul-a-Day + Bafang 500 watt build

Originally Posted in 2015 and updated in 2020.Way back in 1997 I worked for Bike Friday doing customer service. It was a truly amazing year I spent there working with customers, learning about lean manufacturing and bicycle fabrication. Since then I’ve ridden a Bike Friday folding bike in one form or another. When I learned …

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