Yes, electric vehicles (EVs) can be stored long term without damaging the battery—if done correctly. Lithium-ion batteries are sensitive to extreme conditions, so proper precautions are essential.
Best Practices for Long-Term EV Storage:
- Charge level: Store the battery at around 50–70% state of charge (SoC). Avoid full (100%) or very low charge (<20%) for extended periods.
- Temperature control: Store the EV in a cool, dry place. Ideal storage temperature is 15–25°C (59–77°F). Avoid prolonged heat exposure.
- Unplug during storage: Don’t leave the vehicle constantly plugged in unless it has a dedicated storage mode or battery maintenance feature.
- Check periodically: Every 1–2 months, check the charge level and top up slightly if it drops below 30–40%.
- Tire and brake care: Inflate tires to the correct pressure and disengage the parking brake if possible (to avoid brake seizing).
Some EVs have a dedicated "long-term storage" or "transport mode" that automatically manages battery and system health. Always check the owner’s manual for model-specific recommendations.