The charging time of an electric vehicle (EV) varies significantly depending on the battery size. Generally, larger batteries take longer to charge, while smaller batteries charge faster. Here’s a breakdown of how charging times change with different battery sizes:
Factors Influencing Charging Time
- Battery Size: Larger batteries hold more energy and require longer charging times. For example, a 100 kWh battery will take longer to charge than a 30 kWh battery using the same charger.
- Charger Speed: Faster chargers (like DC Fast Chargers) can charge EVs much quicker than slower chargers (like Level 1 or basic AC chargers).
Typical Charging Times for Different Battery Sizes
- Small Batteries (30-40 kWh): These typically provide around 100-150 miles of range per charge and can fully charge:
- At 7 kW AC Charger: In about 4-5 hours.
- At 50 kW DC Fast Charger: In approximately 30-40 minutes.
- At 150 kW DC Ultra-Rapid Charger: In about 20 minutes.
- Medium Batteries (50-70 kWh): These deliver around 200-300 miles of range and can fully charge:
- At 7 kW AC Charger: In about 8-9 hours.
- At 50 kW DC Fast Charger: In around 1-1.5 hours.
- At 150 kW DC Ultra-Rapid Charger: In roughly 40 minutes.
- Large Batteries (80-100+ kWh): These offer over 300 miles of range and can fully charge:
- At 7 kW AC Charger: In approximately 12-14 hours.
- At 50 kW DC Fast Charger: In about 2-2.5 hours.
- At 150 kW DC Ultra-Rapid Charger: In roughly 1 hour.
Additional Factors
- Temperature: Charging efficiency can be reduced in extreme temperatures. Batteries tend to charge slower in cold weather and may overheat in very high temperatures, which can reduce charging efficiency.
- Vehicle Charging Capacity: Some vehicles may have limitations on how quickly they can accept charge from a charger.
In summary, larger batteries require more time to charge, especially with slower charging equipment. The choice of charger significantly influences charging times, with rapid chargers offering much faster charging than standard AC chargers.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/how-does-the-charging-time-of-an-ev-vary-with-different-battery-sizes/
