Public EV Charger Charging Time helps EV drivers and charging-site operators estimate session duration from battery, state-of-charge, and power limits. Change the assumptions to compare practical public charging scenarios and review the supporting results before making a decision.
Use the duration to plan dwell time, driver schedules, or charger turnover. The power bottleneck identifies whether the vehicle or charger sets the ceiling.
This is an average-power estimate. Charge curves, temperature, battery conditioning, shared cabinets, and site load management can change actual duration.
A 75 kWh battery charging from 20% to 80% needs 45 kWh. With a 150 kW charger, a 170 kW vehicle limit, 90% efficiency, and 15% taper, time is 45 ÷ (150 × 0.90) × 1.15 = 0.383 hours, or about 23 minutes.
Usually not. Many EVs reduce power as the battery fills, especially at high state of charge, so the efficiency and taper inputs are estimates.
The calculator includes charging losses and an optional high-state-of-charge taper adjustment.
No. Effective power is limited by the lower of charger output and the vehicle’s maximum acceptance rate.
It can. A cold battery may accept less power and consume energy for conditioning; reflect this with a lower efficiency or a larger taper adjustment.
No. It is a planning estimate; shared equipment, thermal limits, battery temperature, and site power management can change actual time.
| Input group | Purpose |
|---|---|
| Primary values | Define the energy, power, capacity, price, or activity in the scenario. |
| Efficiency / adjustment | Translate rated or delivered values into an estimated real-world result. |
| Period / fees | Set the time horizon or additional cost components when applicable. |