Observed arrival · 2026-11-13
MrScooty: EV maths, worked out
A collection of 14 free calculators for electric-scooter and EV range, batteries, charging, costs, and wiring.
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- Electric-scooter riders and DIY EV builders
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- A Ninebot Max G30 example uses an 80 kg rider and applies a 20% reserve to its 41.6 km estimate.
Field notes
The tools are organized around four practical questions: performance, battery behavior, operating costs, and build calculations. The homepage's range example gives both an estimated 41.6 km and a more conservative 33.3 km plan after a 20% reserve. Its linked guides include a comparison of 18650 and 21700 cells and an explanation of EV charging levels.
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