Interactive tool · September 2026

EV charging
calculator

Calculate your car's charging time, compare annual costs and see when a wallbox pays for itself. Data for 12 electric vehicle models.

Match charger power to your vehicle

Select a car model and set the charging parameters. The calculator determines the actual time and cost based on the vehicle's on-board charger.
Charging parameters Select a car and set the sliders
Select a car
Charger power11 kW
3,7 kW7,4 kW11 kW22 kW
Current battery level20 %
Charge to80 %
0%20%80%100%
Home tariff0,52 zł/kWh
0.30 PLNG12 night1.20 PLN
Estimated charging time Select a vehicle and set parameters
kWh to charge
charging cost
actual power
Charger power comparison
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Select a vehicle model to see the charger power recommendation.

Charging time comparison — all models

Charging time from 10-80% for 12 models at 3.7 / 7.4 / 11 / 22 kW. Click a column header to sort.
Charging time is limited by the vehicle's on-board charger. The highlighted row corresponds to the currently selected model in the calculator.
Vehicle model Battery On-board ch. 3,7 kW7,4 kW11 kW22 kW

Annual costs and return on investment

Comparison of annual home charging costs on the G12 night tariff versus public AC and DC station rates. Includes the My Electricity 6.0 subsidy.
Wallbox at homeper year
Public ACper yearmedian 1,99 zł/kWh
Public DCper yearmedian 2,4 zł/kWh
Annual savingvs public DC
Return on investment in the charging stationTime after which savings cover the purchase and installation cost
months to payback
Today3060

Select a vehicle model and set parameters to see the full financial analysis.

Why have a wallbox at home?

Three main benefits of a home charging station compared to public charging.
90% of sessions happen at home Overnight charging on the G12 tariff costs up to 4-5x less than at public DC stations. Every charge at home is a real saving.
5-7 days from order to installation Certified installers with full as-built documentation required for the My Electricity 6.0 subsidy application.
14 My Electricity 6.0 subsidy The My Electricity 6.0 programme refunds up to the subsidy amount on wallbox purchase and installation costs for solar panel owners.

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