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Public Fast Chargers vs. Dedicated at Home Chargers: Analysis

Fast chargers undoubtedly provide convenience and efficiency but let’s explore the reasons why constantly using fast chargers on your electric vehicle might not be the best idea for its long-term health and performance.

1. Battery Degradation

One of the primary concerns associated with using fast chargers regularly is accelerated battery degradation. Fast charging generates more heat in the battery pack compared to slower charging methods. 

High temperatures can lead to increased chemical reactions within the cells, causing a faster decline in the battery’s capacity over time. Prolonged exposure to high heat can also reduce the overall lifespan of the battery, leading to the need for costly replacements sooner than expected.

2. Impact on Battery Chemistry

Fast chargers deliver a high current to quickly replenish the battery, and this rapid influx of energy can adversely affect the chemistry of lithium-ion batteries. During fast charging, lithium ions move at a faster rate, causing the formation of lithium plating on the anode. 
This plating reduces the battery’s ability to hold a charge, resulting in decreased energy storage capacity and potentially compromising the vehicle’s range.

3. Increased Energy Costs

Using fast chargers on a regular basis is a more expensive choice in the long run. While fast charging is convenient when you need to quickly top up your battery for immediate use, it generally draws a substantial amount of electricity in a short time working out less cost effective than having your own dedicated level 2 charger at home for more frequent use.

4. Impact on the Environment

The increased usage of fast chargers not only strains the charging infrastructure but can also put a burden on the power grid. In regions where the electricity is primarily derived from fossil fuels, fast charging during peak hours could contribute to higher carbon emissions. Opting for slower charging methods or charging during off-peak hours can help reduce the overall environmental impact of electric vehicles.

Conclusion

While fast chargers are undoubtedly a technological marvel that provides quick and efficient charging for electric vehicles, using them all the time can have several detrimental effects on your EV’s battery health, the environment, and even your wallet. 

To ensure the longevity and optimal performance of your electric vehicle’s battery, it is best to use fast chargers judiciously and rely on slower charging methods for daily charging needs. 

By adopting a balanced approach, EV owners can strike a harmonious chord between convenience and sustainability in the world of electric transportation. Remember, a well-maintained battery is key to a smooth and efficient electric driving experience.

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Terawatt has partnered with Brighte to offer 0% Interest Payment Plans for EV Chargers.