The use of electric vehicles (EVs) is becoming increasingly widespread worldwide. Thanks to advancements in battery technology, EVs now offer longer ranges. Additionally, batteries enable faster charging. Battery repair and replacement can help you save money, maximize vehicle performance, and extend its lifespan.
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Today, electric vehicle batteries are mainly categorized into four types:
- Lithium-ion batteries
- Nickel-metal hydride batteries
- Lead-acid batteries
- Ultracapacitors
Lithium-ion batteries are the most commonly used in EVs, and a battery replacement is typically needed when its capacity drops below 70%. The good news is that EV batteries can last for 15–20 years, meaning that replacements are rarely necessary. Since modern batteries can endure hundreds of thousands of miles, replacements are only carried out when absolutely necessary. However, drivers who experience reduced battery performance or want to extend their battery life can visit EV battery repair centers to get a replacement quickly.
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How Is Battery Replacement Performed in Electric Vehicles?
Battery replacement methods for electric vehicles are mainly divided into two categories:
- EV Battery Repair Centers
- Battery Swap Stations
EV Battery Repair Centers
The primary purpose of EV battery repair centers is to repair faulty batteries, reinstall them in vehicles, and promote sustainability. When a lithium-ion battery is taken to a repair center, it undergoes testing, diagnostics, repairs, and reinstallation. If repair is not possible, it is sent to recycling partners and transformed into reusable materials.
This cost-effective method involves specialized high-voltage technicians removing the battery, diagnosing any faults, and repairing it. Once repaired, the same battery is reinstalled to maintain vehicle performance. If the battery cannot be repaired, it is sent to recycling centers, and a new battery is installed in the vehicle.
Although EV batteries require little maintenance during their lifespan, some key factors help extend battery life. These include:
- Avoiding extreme temperatures that could degrade the battery
- Using fast chargers only when necessary
- Avoiding sudden accelerations
- Keeping the charge level between 20% and 80%
Extending the lifespan of lithium-ion batteries not only reduces costs for drivers but also benefits the environment. For this reason, many European EV companies have established battery repair centers to extend battery life.
EV batteries typically last between 10 and 20 years, depending on the make and model. Battery replacements may be needed due to warranty conditions, new battery technologies, or accident-related damages. However, this is not always an option depending on the vehicle model. If your battery still has a reasonable lifespan and can be refurbished, you may consider purchasing a new battery instead of replacing it.
Battery Swap Stations
Battery swap stations are widely used, especially in China and the U.S. Companies like Nio and Onvo provide battery swap services that allow drivers to replace their depleted batteries within minutes. These stations operate by appointment—when you arrive at your scheduled time, a machine removes the depleted battery and installs a fully charged one.
Nio has been offering battery swap services since 2018, significantly simplifying the process for drivers. However, Nio and Onvo are not the only companies exploring battery swaps. Tesla initially considered battery swap stations for the Model S but later abandoned the idea in favor of fast charging. Nevertheless, all Nio models support battery swapping, and the use of swap stations is becoming increasingly popular.
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How to Extend EV Battery Life?
EV battery packs, composed of over 2,000 individual lithium-ion cells, directly power the vehicle. Compared to internal combustion engine vehicles, EV batteries are more reliable and have a longer lifespan. However, like all batteries, their ability to hold a charge decreases over time.
When battery performance drops below 70%, options such as EV battery refurbishment can restore its charge-holding capacity. In this process, damaged cells are replaced, and the battery is reassembled and recharged. Proper maintenance and repairs can extend an EV battery’s lifespan beyond 100,000–200,000 miles.
To maintain and improve battery performance, consider these tips:
Drive smoothly: Aggressive driving drains the battery faster and reduces range. Using regenerative braking and maintaining steady speeds can help save energy.
Climate control management: Using the air conditioner or heater excessively drains battery power. In winter, opt for heated seats, and in summer, use the fan instead of the air conditioner when possible.
Check tire pressure: Proper tire pressure is essential for range and efficiency. Low tire pressure increases wear and shortens battery life, so regularly monitor and adjust it as needed.
Optimize charging: Keeping your battery charged at around 80% before trips can help extend its lifespan. Most EV batteries slowly self-discharge after reaching full charge, so unplugging the charger once fully charged is recommended.
By following these guidelines, you can extend your EV battery’s lifespan and maintain its performance. If necessary, you can opt for battery repairs or replacements. To charge your vehicle, don’t forget to check the ChargeIQ map for the nearest charging stations.
