Broadly, there are three types of charging stations.  Level 1 uses charging equipment designed primarily for residential homes. They're slow to charge and designed to be easy on electric infrastructure up to 120 volts in garages where cars can charge overnight or up to 48 hours. They have a low power consumption of around 1 kW per hour. Level 2 is common for public charging stations and commercial EV charging stations. Level 2 stations can charge an EV battery in 2 to 10 hours. We recommend this for most commercial EV charging, where a customer might reasonably park for a few hours or overnight.  Level 3 is the most powerful, with 480+ volts of electricity. DC fast charging stations are the most expensive to install, but do have a low charging time as fast as 20 minutes. These \\"DC superchargers\\" are the fastest way to charge an electric vehicle and are most common at rest stops, fuel centers, and places where most EV owners are likely to stay for less than an hour.