Will a new energy vehicle lose battery power if left unused for a month?
3 Answers
New energy vehicles may experience battery drain if left unused for a month. If a new energy vehicle is left idle for an extended period, the battery power may decrease to some extent, which is a characteristic of battery self-discharge. Here are some battery-related precautions: 1. Normal usage: After a certain decrease in battery power, simply recharge it to full capacity for normal use. 2. Fully charge the battery before storage: If a new energy vehicle is to be stored for a long time without use, it is necessary to fully charge the battery before storage. 3. Regular charging: If the storage period exceeds three months, it is advisable to charge the battery periodically to meet the requirements of battery power consumption.
As a seasoned owner of a new energy vehicle, I often encounter situations where my car is left idle. Last year, I went on a business trip for a month, and upon returning, I found the battery almost completely drained, nearly preventing the car from starting. This is because even high-voltage batteries experience self-discharge, not to mention the car's anti-theft system and electronic control units, which continuously consume power. Particularly in extreme cold or hot weather, temperature fluctuations accelerate the discharge process. To avoid a dead battery that could prevent starting or damage the battery, my experience suggests: charge the battery to around 80% before parking, unplug unnecessary USB devices, and if the car will be unused for an extended period, consider disconnecting the battery or having family members start and drive it periodically. Nowadays, I check the remaining battery level alerts on my phone app, which is quite effective. I recommend everyone develop this habit—it's a simple and effective way to maintain your vehicle.
I think this issue should be analyzed from the perspective of vehicle design. New energy vehicles typically have two battery systems: a high-voltage battery that powers the motor and a 12V low-voltage battery responsible for basic electronics. When left idle for a month, the high-voltage battery naturally experiences self-discharge, but the more critical issue is the low-voltage battery, which powers functions like door lock sensors and GPS positioning. Over time, it may deplete, leading to an inability to wake up the vehicle. Last time I left my car parked for three weeks with temperatures dropping below freezing, the battery drained twice as fast as usual. The solution is simple—refer to the user manual: fully charge the battery before long-term parking and turn off all entertainment functions. If the budget allows, invest in a battery maintenance charger or start the car and let it run for about ten minutes to maintain charge and health. In short, understanding your vehicle's condition and the impact of climate can effectively prevent such minor issues—don't wait for an emergency to regret it.
