Battery life of an electric car

Optimize the Battery Life of Your Electric Cars

Electric cars have become essential for businesses, but battery life is a major concern, impacting costs and efficiency. This guide will explore the key factors, best practices, and Dadycar's role in optimizing battery life.

Understanding the Lifespan of an Electric Car Battery: Myths and Realities

Historically, there have been concerns about the longevity of electric vehicle batteries. Technological advances have largely dispelled these fears. Today, most manufacturers guarantee electric car batteries for 8 to 10 years or 160,000 km, with a minimum guaranteed capacity (often 70%).

But what is the actual lifespan of a battery? It is not a sudden death, but a gradual degradation of capacity. A battery at the end of its life does not “die,” it simply offers reduced range. The lifespan of an electric battery is often estimated at between 1,000 and 1,500 charge/discharge cycles. It is crucial to understand that the average lifespan of an electric car battery varies. A battery does not last forever, and wear and tear is a natural phenomenon.

What factors influence the battery life of electric cars?

• Charge/Discharge Cycles: Each cycle (a full charge followed by a full discharge) causes slight wear on the lithium-ion battery. Battery degradation is directly related to the number of cycles.
• Depth of Discharge (DoD): Systematically discharging the electric battery to very low levels (below 20%) is more harmful to its health than partial discharges.
• Prolonged High Charge Level: Keeping an electric battery charged at 100% for long periods of time can accelerate its degradation, especially in high heat. It is therefore crucial to maintain an optimal state of charge.
• Temperature: Extreme temperatures (very hot or very cold) are the sworn enemies of batteries. Excessive heat is particularly harmful to the long-term life of the battery.
• Charging Type: Fast DC (direct current) battery charging is convenient, but generates more heat than AC (alternating current) charging, which can impact battery life if used exclusively. High charging powers place greater strain on electric vehicle batteries.
• Driving Style: Aggressive driving with rapid acceleration and deceleration places greater strain on the battery.

Essential Strategies for Extending the Life of Your Fleet's Batteries

Optimizing the battery life of your commercial electric vehicles is not rocket science, but it does require a structured approach and best practices.

a) Optimal Management of Charge Cycles:

• Prioritize Partial Charges: Encourage your employees to recharge your car frequently, but only partially (for example, between 20% and 80%). This is the “sweet spot” for battery longevity. A battery can thus last longer.
• Avoid Deep Discharges: Make drivers aware that they should not let the battery of your electric vehicle regularly fall below 20%.
• Limit Charging to 100%: Except for long journeys, it is recommended to program the charge to reach 80 to 90% rather than 100%. Some electric vehicles allow you to set a maximum charge threshold, which is healthier for the battery.

b) Temperature Control:

• Smart Parking: In summer, park in the shade. In winter, park in a temperate location if possible.
• Pre-conditioning: Use the electric battery's pre-conditioning functions (via the vehicle app) before starting or charging. This brings the battery to an optimal temperature.
• Active Cooling: Most modern electric vehicles are equipped with sophisticated thermal management systems. Ensure they are working properly through regular maintenance.

c) Choosing the Right Type of Load:

• Prioritize AC Charging (Slow/Normal): For daily charging at the depot or at employees' homes, AC battery charging is preferable. Less thermal stress, longer battery life.
• Fast Charging, in Moderation: Reserve DC fast charging for long trips or urgent needs. Excessive use can reduce battery life.
• Charging Infrastructure: Invest in a suitable charging station infrastructure, offering AC charging options and, if necessary, fast charging stations for optimal flexibility. The type of battery also influences charging.

d) Driver Awareness and Training:

• Eco-driving: Smooth driving (moderate acceleration, anticipating braking to use regeneration) reduces the strain on the electric vehicle battery and optimizes range.
• Communication: Inform your teams about the importance of good charging and driving practices. A well-maintained electric vehicle battery means controlled operating costs.

Dadycar: Your Strategic Partner for Managing the Battery Life of Your Electric Fleet

This is where Dadycar comes in, as an essential partner for corporate fleet managers. Given the complexity of monitoring the condition and usage of each lithium-ion battery within a diverse fleet, an intelligent fleet management solution is essential. Battery degradation is a reality, but it can be controlled.

• Real-time state of charge: for connected vehicles, Dadycar shows the state of charge of each electric vehicle (charging, complete, low charge, not charging).
• Charging history: charging sessions are recorded alongside fuel, and the Chargemap Pass connector retrieves the sessions carried out on the public network.
• Charging locations: your charging points, on site or with a provider, are listed in the Sustainability module.
• Threshold alerts: state-of-charge and range signals trigger an alert at the threshold you set, sent to the fleet manager or the driver.
• Dedicated maintenance: a maintenance plan specific to electric vehicles and reminder templates, such as the battery diagnostic.
• Transition analysis: the energy transition analysis identifies combustion vehicles suited to electric, and the dashboard tracks the energy mix of the fleet.

With Dadycar, you can move from reactive to proactive management of your electric vehicle batteries, turning a potential cost into a sustainable competitive advantage.

Conclusion: Investing in the Lifespan of Your Batteries Means Investing in the Sustainability of Your Fleet

The transition to electric vehicles represents a tremendous opportunity for businesses. However, maximizing the return on investment of this transition requires informed management of the battery life of electric vehicles.

By adopting best practices for charging and driving, and relying on powerful fleet management tools such as Dadycar, you can not only guarantee the longevity of your electric vehicles, but also optimize your operating costs and the overall performance of your business.

Don't let battery uncertainty slow down your electric ambitions. With good charging practices and regular monitoring, the battery becomes a controlled and predictable cost item.

Actual battery life depends on many factors, but it can be significantly improved through proactive management.