Charging systems 1.1. AC charging systems 1.1.1. Level 1 1.1.2. Level 2 1.1.3. Level 3 1.2. DC charging systems 1.3. Wireless charging 2. Connector types 2.1. Type 1 SAE J1772 2.2. Type 2 (Mennekes) 2.3. GB / T 2.4. CHAdeMO 2.5. CCS Combo (Type 1 / Type 2) 2.6. Tesla Supercharger