Amazon can be misleading. This is a plug that uses a NEMA 6-20P plug to connect to a level 2 wall charger that is already installed. Google NEMA 6-20P to see what these outlets look like. There is an adapter that allows it to be plugged into a NEMA 5-15 plug, which is a normal household outlet. If the circuit from your breaker to your outlet is only 110v at 15amps, it is impossible for this to double the power. Level 2 chargers need an electrician to install a 220/240V circuit from your breaker. This is the same type of heavy duty circuit that your dryer runs on. The electrician also needs to determine if your current panel add a 220/240V circuit and whether you have enough service (100amp vs 200amp) coming to your house. Installing a level 2 charger is about $4,000-5,000 including labour and charger, depending on where you are and whether you need a new panel.Sorry I am not electrician but I see here this is level 2 charger using 240 v and it has adapter if you want to use it at 110v household as a level 1. This is how I understand.
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Morec 16A EV Charger Level 1-2 NEMA6-20P with Adapterfor NEMA 5-15, 100V-240V, Portable EVSE SAE J1772 Plug 6m (20 feet), Home Electric Vehicle Charging Station Compatible with All EV Cars : Amazon.ca: Automotive
Morec 16A EV Charger Level 1-2 NEMA6-20P with Adapterfor NEMA 5-15, 100V-240V, Portable EVSE SAE J1772 Plug 6m (20 feet), Home Electric Vehicle Charging Station Compatible with All EV Cars : Amazon.ca: Automotivewww.amazon.ca
Unless you really need a full charge in 7-8 hours, using a 12amp level 1 evse, like the one that came with it, may be all that you need. If you drive less than 60km/38 miles before plugging in that means you are not charging from empty so real-world charge time is less.