Level 1 vs. Level 2 vs. Level 3 Charging Explained - Lifewire
https://www.lifewire.com/ev-charging-levels-explained-5201716
Sep 29, 2021 · The L2 charger runs at higher input voltage, 240 V, and is usually permanently wired to a dedicated 240-V circuit in a garage or driveway. Portable models plug into standard 240-V dryer or welder receptacles, but not all homes have these. Level 2 chargers cost $500 to $2,000, depending on brand, power rating, and installation requirements.
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