Tech & Energy
EV Charging Time Calculator
Charging time = battery added / charger power × efficiency. DC fast charging slows above 80% — accounted for.
Charging time
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- kWh added
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- Average rate
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- Efficiency
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FAQ
Why DCFC slows above 80%? +
Battery management protects cells from heat. Going 80-100% can take longer than 20-80%. Most road trips stop at 80%.
L1 from a wall outlet? +
About 3-5 mi/hr. Fine for overnight if commute is short. Anyone driving 40+ mi/day needs L2.