How many watts is the charger on the electric car?

Different models of electric car charger have different rated power, usually 220w W W. When charging electric car charger, plug in the battery first, and then add the city power; When the power is sufficient, cut off the power first, and then unplug the battery. If the battery is unplugged before charging, especially when the charging current is large (red light), it is very easy to damage the charger.

Commonly used switching power supply chargers are divided into two categories: half-bridge type and single-excitation type, and single-excitation type is divided into forward type and flyback type. Half-bridge has high cost and good performance, and is often used in negative pulse chargers. Single-excitation type has low cost and high market share.

Extended data:

Precautions for the use of electric car charger:

1. Generally, after the new battery is put into use for 8- 10 months, the battery should be inspected and maintained.

2. Generally, the matching chargers of brand-name cars are screened and usually do not need to be tested, but the non-matching chargers purchased separately in the market must be tested for the above three parameters.

3. There is a SCR charger without power frequency transformer, which directly rectifies the commercial power to charge the battery. The current can reach 30A, and the voltage can be adjusted to 12V-80V. Don't touch the battery until the mains supply is completely cut off. Customers who use this charger for freight tricycles should pay special attention to safety.