There are two main charging standards: the Tesla and the J1772/CCS. All Tesla EVs use the same charger for Level 1, Level 2, and DC Fast Charging. All other EVs in North America use the J1772 for Level 1 and Level 2 but use CCS chargers for DC Fast Charging.

Type 1, also known as J1772 chargers, has a single-phase plug that can charge up to 7.4 kW of power. These are common for EVs in North America. Type 2 chargers, which can be operated with a single-phase or a three-phasepower supply, can charge up to 43 kW of power. These are the standard chargers for EVs in the European Union.

Yes, you can use a NEMA 14-50 outlet to charge your EV. Level 2 connectors plug into the 240 V outlets that are
typically used for high-powered appliances.

A Level 1 charging station is the simplest and has the slowest charging speed of the three charger types. These chargers can be simply plugged into your standard outlet. While convenient and low-cost, this charging cable uses 110-120-volt AC power, so expect slow charging for your EV battery.

This translates to about 4 to 6 miles of range per hour, which could be enough for your daily commute. To put this into perspective, an EV with 200 miles of range will take around 35 to 50 hours to fully charge.

Level 2 charging stations can either be plugged into 220-240-volt outlets or be hardwired into your home's electrical panel.

Plug-in Level 2 chargers can be plugged directly into three-pronged NEMA 14-50 outlets typically used for RVs, washers, dryers, and other major appliances. However, this kind of setup is limited to 32 to 40 Amps.

Because of this, most EV drivers opt to install a Level 2 electric car charging station in their garage. This type of EV charger installation needs a dedicated 240-volt circuit to supply electrical current in your garage. Such a circuit will let you hardwire your own electric vehicle charger at home, but the 240-volt socket will also let you plug in a portable unit.

Though upgrading your home's electrical panel could be costly, Level 2 chargers are significantly faster and more efficient than Level 1 chargers, giving EVs up to 200 miles of driving range in under 10 hours.

The Tesla Wall Connector and the Lectron V-Box are examples of Level 2 charging stations.

Portable chargers are a dependable charging option on the road. They relieve range anxiety and compatibility issues because you don't need to frantically search for a charger when your battery is running low. 

There are two levels of portable chargers: Level 1 and Level 2. A Level 1 portable charger plugs into a standard NEMA 5-15 wall outlet and provides up to 120V and 16A of power. Meanwhile, a Level 2 portable charger plugs into a high-powered outlet (usually a NEMA 14-50) and provides up to 240V and 48A of power. 

The ELEGRP Level 1 / Level 2 charger is the best of both worlds, with interchangeable NEMA 5-15 and 14-50 charging plugs, that let you choose which outlet you charge your EV from.