EV Charging: Slow charger and Fast charger

Difference between the slow charger and the fast charger?

There are different types of charger like Slow charger and Fast charger

Slow Charger Fast Charger
Overnight charging is commonly linked to slow charging. It is possible to define fast charging as any method other than slow charging.
The onboard of an EV or PHEV is used for slow charging, and its size is determined by the grid’s input voltage. Fast chargers ranging from 7kW to 22kW are widely available.
A 120V, 15A slow charge would be less expensive per kWh than a 125kW DC fast charge. It is expensive as compared to the slow charger.

How much KW slow charge can charge?

It ranges in power output from 3.6 to 22 kW.

How much KW fast charge can charge?

Chargers for fast electric vehicles typically have a power output of 7kW or 22kW.

Benefits of using the slow charger and fast charger

Slow charger

  • First, we installed this charger, which is still the most common type of EV charger.
  • It is best to use slow chargers if you have a lot of time on your hands.
  • It was found in the car park.
  • There is a good chance that you’ll come across it not far from the others.
  • You’ll need a charging cable with a Type 2 connector if you want to use a slow charger.
  • Reduced charging speeds not only reduce heat and battery pressure but also improve the battery’s long-term viability.

Fast Charger

  • The DC charging voltage is typically higher than the battery voltage.
  • A rectifier device is needed to convert the AC power to DC power.
  • An enormous amount of power is being supplied during charging, in comparison to what is usually provided.
  • To accommodate more cars at once, our high-speed chargers have two charging cables.
  • It is available in public places, dealerships, and commercial fleets.


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