FAST CHARGING SPEEDS: The MUSTART 40A level 2 EV charger which is more sturdy, contains more sensitive chips, higher protection level and better abrasion resistance, can charge your car up to 2.5X faster than the 16A level 2 EV charger. It is 5X faster than the 16A level 1 EV charger that most electric vehicles come with. (The actual working current it depends on your vehicle setting). SUPER COMPATIBLE: Works with most electric vehicles in the United States , the EVSE is compatible with all plug-in EVs. *Tesla requires a SAE J1772 adapter. Well-trusted Quality: Strictly pass UL-2594, ETL certificated. Lightening-proof, leakage, over-voltage, overheat and over-current protection. Whenever your Mustart EV chargers have any problem or anything simply not meeting your needs, please contact us. We provide a two-year warranty of our products from the date of your original order in our store. CONVENIENT: Compact size with a total 25 feet charging cable for flexible installation and usability. All you need is just a 220 Volt or 240 Volt NEMA14-50 outlet to plug the charger into. HIGH QUALITY: This portable charging station is made to last with durability and reliability. It is lightening-proof and has leakage, overvoltage, overheat and overcurrent protection, so you can safely charge your vehicle.