If you’re chargers, you will doubtless see Degree 1, Degree 2, and Degree 3 referenced. They’re successfully distinctions of voltage: Degree 1 means a 110-120V charger appropriate with the common shops present in North American properties. Degree 2, in the meantime, refers to a 220-240V charger. (These individuals who stay in nations the place 220-240V is the usual for home shops needn’t fear concerning the distinction.)
A Degree 1 charger can normally present round 4 to 5 miles of vary per hour that the EV is plugged in. In distinction, a Degree 2 charger might add 50+ miles of vary per hour linked. Degree 3 is a reference to DC quick chargers generally used at public stations; they’re able to delivering exceptionally quick recharge occasions, however they don’t seem to be meant for home use as they require critically potent electrical wiring (and include critically excessive value tags, too).
Whereas Degree 1 chargers get pleasure from plugging into easily-found shops, most EV house owners will desire a Degree 2 charger at residence. Some have to be hardwired; others plug right into a 240V outlet, usually a NEMA 14-30, 14-50, 10-30, 10-50, or 6-50. Should you’ve obtained an electrical dryer in your storage, you would possibly have already got a appropriate outlet, although that is nonetheless no assure that you will get the quickest charging speeds that your EV and your charger formally help. Totally different Degree 2 chargers put out completely different quantities of energy, measured in kilowatts (kW). Sometimes that may vary from 3.6 kW to 19.2 kW, although it is price noting that not each electrical car helps these greater kilowatt figures — 9.6 kW is pretty commonplace in present EVs.