Seven spare e-bike batteries, chargers and a fire bag on Amazon, the three things that must match your bike, and why a second charger usually beats a second battery.
Speed, assist level, gearing, tire pressure and how you pull away from a stop decide how far your battery goes. Twelve habits that add miles, in order of how much they’re worth.
Lithium battery fires are rare and serious. Where and how to charge an e-bike battery, which chargers to trust, how to store it over winter, the warning signs of a failing pack, and what to do if one starts to smoke.
Your e-bike used to do 40 miles and now it does 25. Five causes, in order of likelihood, and only one of them means the battery is finished.
Watt-hours, not amp-hours or motor watts, decide how far an e-bike goes. How to read a battery spec, estimate your real range, judge the cells inside, and decide when a tired pack is worth replacing.