Does Keeping an Electric Vehicle Plugged In All the Time Have Any Impact?
2 Answers
Keeping an electric vehicle plugged in all the time can have an impact. The battery management system will initiate charging when the battery level drops to a state requiring recharge, and then stop charging again. Such frequent operations can lead to battery overcharging. Below are some daily maintenance tips for electric vehicle batteries: Charging duration should not be too long: New energy vehicles should avoid overcharging, over-discharging, and insufficient charging, as these can shorten battery life. Additionally, if the battery temperature exceeds 65°C during charging, charging should be stopped immediately to prevent hazards. Start gently: If a new energy vehicle is accelerated abruptly during startup, it can cause high-current discharge from the battery. High-current discharge tends to produce lead sulfate crystals, which can damage the physical properties of the battery plates and affect the battery's lifespan. Ensure proper charging during long-term parking: Storing the battery in a depleted state can easily lead to sulfation, where lead sulfate crystals adhere to the plates, causing significant harm to the battery. Avoid extreme heat and cold: If a new energy vehicle is exposed to direct sunlight for extended periods, it can increase internal pressure in the battery, leading to water loss and accelerated plate aging. Conversely, prolonged exposure to cold environments can drastically reduce range and adversely affect the performance of the battery pack.
I've been driving an electric vehicle for over five years, and people often ask if constant charging could cause issues. In reality, modern EVs come equipped with intelligent battery management systems that monitor battery status to prevent overcharging. Technically speaking, maintaining a 100% charge continuously can indeed accelerate battery aging, as lithium-ion batteries are prone to crystallization when fully charged, reducing range. The ideal practice is to stop charging at around 80% or use scheduled charging to set an upper limit. For daily use, I recommend avoiding leaving the car plugged in overnight, especially in high-temperature environments where heat dissipation is crucial. Regularly checking the vehicle’s maintenance records is key—it can extend battery life by tens of thousands of kilometers. Occasional short charging sessions have minimal impact, but long-term habits may lead to additional costs and safety risks.
