Hello, to install fast charging functions on new energy vehicles that only support slow charging, the following steps are usually required:
1. Modify the battery management system: The fast charge function requires higher current and voltage to charge quickly, so the battery management system needs to be modified to support the fast charge function. This includes adjusting the maximum current and voltage at which the battery is charged, and ensuring that the battery can withstand the heat and voltage load generated during fast charging.
2. Replace charging plugs and cables: Slow charging vehicles usually use standard AC charging plugs and cables, while fast charging vehicles use DC charging plugs and cables. Therefore, the charging plug and cable need to be replaced to meet the needs of the fast charging function.
3. Install fast charging equipment: The fast charging function requires specialized fast charging equipment to provide higher current and voltage. Therefore, it is necessary to install a fast charging device on the vehicle, including a fast charging source and a charge control unit.
4. Check the battery and circuit safety: Before installing the fast charge function, it is necessary to conduct a comprehensive inspection of the battery and circuit to ensure that it can safely support the fast charge function. This includes checking the capacity and health of the battery, as well as the stability and tolerance of the circuit.
It should be noted that the addition of the fast charge function may require some changes and adjustments to the vehicle, so it is recommended to consult a professional auto repair technician or dealer before performing the installation to ensure safe and correct operation.