How many square meters is required for battery connection line of electric car

For small cars, the starting standard of pure copper is 16 square meters. But if it is a large engineering vehicle, it should be mentioned again. The recommended national standard pure copper is 25 square meters. If it is lower than the recommended value, it is difficult to jump start the engine.

With a certain power and voltage, the thicker the wire, the smaller the resistance, and the greater the current finally transmitted to the motor. It is recommended to use thicker wires or bundle two thin wires together. If it is not specially noted, it is generally standard 16m2 copper wire, and if it is specially noted, it requires 25m2 copper wire.

Extended information (precautions for use of car battery):

Ensure that the auxiliary battery is 12 V and that the negative terminal is grounded. Of course, all unnecessary lights and accessories should be turned off to avoid electric accidents.

Do not connect the positive and negative poles of the cable reversely, otherwise sparks will jump out during the connection, and we also need to wrap the cable and the battery tightly (fully contact) to avoid the fire during the connection.

Start the engine of the auxiliary battery vehicle and run the engine at medium speed. Then start the engine of the vehicle with the discharged battery.

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