Voltatic calculator

AC or DC? Charger planner.

Answer four quick questions about where cars park and how long they stay. See whether AC or DC fits, how many chargers you need and the power to plan for.

1 Where will cars charge?

2 How long is a car usually parked?

3 How much range should each car get?

4 Cars charging per day

Best fit for this siteAC 11 kW

To add 100 km in 2 hours, a car needs about 7.9 kW. 11 kW AC covers that, and AC is the simpler install. Many cars in India only take 7.4 kW AC — confirm the vehicle.

View the 7.4–21 kW AC range charger

Chargers: 3
Connected load: ≈ 33 kW
Time per car: 1 h 27 min
Sales / month: ₹1.3 lakh

What each charger adds in 2 hours

7.4 kW AC93 km
11 kW AC 1 h 27 min
22 kW AC 43 min
30 kW DC 34 min
60 kW DC 17 min
120 kW DC 8 min

Get a site check

Planning estimate: about 7 km per kWh, 10–15% losses, sales at ₹20/kWh before costs. Assumes the car takes the charger's full power; many cars in India take 7.4 kW AC and 50–60 kW DC. Confirmed after a site survey.

AC or DC? Charger planner.

Use the result as a starting point.