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How many kilowatt-hours are needed to fully charge a 400 km range?

1 Answers

DelPenelope

07/29/25 3:27pm

A 400 km range can be fully charged in 8-10 hours. If the charger is calculated at a power of 2kw, it consumes 2 kilowatt-hours per hour, totaling 20 kilowatt-hours in 10 hours. Here are some additional details: 1. Hazards caused by improper charging: Many car owners do not have charging stations near their residences, and it is also not suitable to install charging stations, so they have to use the vehicle's charger to connect directly to a 220V socket at home. However, this charging method is very dangerous because ordinary extension cords may not support electric vehicle charging, leading to safety accidents such as fires and electric shocks. 2. Charging precautions: Do not open the front engine compartment cover while charging, as it helps prevent electric leakage during charging. Finally, it is important not to plug in and leave immediately; instead, check the charging status and monitor the stability of voltage and current, ensuring everything is correct before leaving.

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