110V to 220V Quick Connector, Briidea DIY 220-240V Power Adapter Combining Two 110/120V AC Circuits, 220V 15A Output Outlet for EV Charging, Includes GFCI Outlet Tester

Do you have any 240V outlets? If not, getting a 240V outlet (or hardwired) can end up costing a lot of money. If you happen to have two different circuits in close proximity to use a "combiner", you could use that to get 240V at 12 amps to get 2.6 kW L2. Something like this: https://www.amazon.com/Connector-220-240V-Combining-Circuits-Charging/dp/B0GYRRSMBV But that requires two nearby outlets on different circuits on different phases - a somewhat unlikely situation in most cases.