EV Charger Load Calculator
⚡ Advanced EV Charger Load Calculator
Calculate EV battery energy, charging current, charging time, electricity cost, AC/DC charger load, single phase and three phase EV charging systems instantly.
EV Charging Calculator
Battery Energy
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Charging Current
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Charging Time
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Electricity Cost
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EV Charging Formula
Battery Energy (kWh) = Voltage × Ah ÷ 1000
Single Phase Current = kW × 1000 ÷ Voltage
Three Phase Current = kW × 1000 ÷ (1.732 × Voltage)
Charging Time = Battery Energy ÷ Charger Power
Single Phase Current = kW × 1000 ÷ Voltage
Three Phase Current = kW × 1000 ÷ (1.732 × Voltage)
Charging Time = Battery Energy ÷ Charger Power
EV Charger Size Guide
| Charger Type | Power | Application |
|---|---|---|
| Slow Charger | 3.3kW | Home Charging |
| Fast Charger | 7.4kW | Residential Fast Charging |
| DC Fast Charger | 30kW+ | Commercial Charging |
Frequently Asked Questions (FAQ)
What is EV battery capacity?
Battery capacity represents total electrical energy stored inside the EV battery.
Why use three phase charging?
Three phase charging reduces current and supports faster charging.
What is AC vs DC charging?
AC charging is used for homes while DC charging provides ultra-fast charging for public charging stations.
🔋 Battery Voltage
- 48V → E-Rickshaw
- 72V → Electric Scooter
- 300V+ → Electric Car
⚙️ Battery Capacity
- 50Ah → Small Battery
- 100Ah → Medium Battery
- 200Ah+ → Large EV Battery
⚡ Charger Power
- 3.3kW → Slow Charging
- 7.4kW → Fast Charging
- 30kW+ → DC Fast Charging
🏠 Single vs Three Phase
- Single Phase → Home Supply
- Three Phase → Commercial Supply
- Three phase supports higher load
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