Electric Car Battery Life: How Long Does It Last Before Replacement? Key Facts and Insights

Most electric vehicle batteries last between 8 to 12 years. They generally cover around 100,000 to 200,000 miles before needing replacement. Many manufacturers, such as Tesla, offer warranties for over 8 years, which indicates battery lifespan and performance expectations. Battery degradation may vary based on usage and guidelines.

Battery degradation, or the gradual loss of capacity, influences overall performance. A reduction in range occurs as the battery ages. On average, electric car batteries lose about 2-3% of their capacity per year. Owners can take steps to optimize battery health, such as avoiding extreme temperatures and fast charging when unnecessary.

Altering driving habits can also positively affect battery life. For instance, gentle acceleration and avoiding sudden stops can maintain battery efficiency. While replacement can be costly, prices are declining due to advancements in technology. Understanding electric car battery life helps owners maximize their investment.

In the next section, we will delve deeper into the signs that indicate when it may be time to replace an electric car battery. Knowing these indicators can help ensure optimal performance and longevity.

What Factors Influence Electric Car Battery Life?

The factors that influence electric car battery life are various and complex. They include usage patterns, climate conditions, charging habits, battery chemistry, and maintenance practices.

  1. Usage patterns
  2. Climate conditions
  3. Charging habits
  4. Battery chemistry
  5. Maintenance practices

Understanding these factors is crucial for optimizing battery life and maximizing vehicle performance. Each factor plays a significant role in the overall longevity and efficiency of electric vehicle batteries.

  1. Usage Patterns: Usage patterns significantly influence electric car battery life. Frequent short trips can lead to a higher number of charge cycles, potentially degrading the battery faster. According to a study by the National Renewable Energy Laboratory (NREL) in 2021, driving habits that include high acceleration or rapid deceleration can also negatively impact battery health. For instance, a driver who frequently uses “sport” mode may experience a reduction in battery life compared to a driver who adopts smoother driving techniques.

  2. Climate Conditions: Climate conditions affect battery performance and lifespan. Extreme temperatures, both hot and cold, can impact battery efficiency. Research by the Electric Power Research Institute (EPRI) shows that high temperatures can accelerate battery degradation, while cold conditions can reduce battery capacity. For example, a 2020 study found that batteries in hotter climates could lose as much as 20% of their capacity over a few years compared to those in moderate temperatures.

  3. Charging Habits: Charging habits are crucial for battery longevity. Regularly using fast chargers can lead to quicker degradation, while maintaining a charge level between 20% and 80% can enhance battery life. A 2019 analysis by the Institute of Electrical and Electronics Engineers (IEEE) emphasized that avoiding full discharges and overcharging can effectively extend battery lifespan. Charging at home with a standard charger tends to be gentler on the battery compared to frequent use of high-speed charging stations.

  4. Battery Chemistry: Battery chemistry plays a significant role in performance and longevity. Most electric cars use lithium-ion batteries, which vary in chemistry based on the manufacturer. Advances in battery technology, such as the development of solid-state batteries, promise longer life and better performance. A paper published in the Journal of Power Sources in 2022 indicated that solid-state batteries could have a lifespan of up to 30% longer than current lithium-ion batteries under similar conditions.

  5. Maintenance Practices: Maintenance practices also impact battery life. Regular software updates, proper ventilation systems, and adherence to manufacturer guidelines can help maintain optimal battery functioning. For example, a 2021 report from the European Commission highlighted that vehicles with updated software and proactive monitoring of battery health tended to experience fewer performance issues and extended battery life.

In summary, a multitude of factors affect electric car battery life, and understanding these can help consumers maximize the longevity of their vehicle batteries.

How Do Driving Habits Impact Electric Car Battery Longevity?

Driving habits significantly influence electric car battery longevity by affecting battery charge cycles, temperature management, and overall wear and tear. Specific driving behaviors can lead to increased strain on the battery, resulting in premature aging.

  1. Charge Cycles: Each time an electric vehicle (EV) is charged and discharged, it undergoes a charge cycle. Frequent short trips can lead to more charge cycles, which shorten battery life. According to a report by the Union of Concerned Scientists (UCS, 2021), minimizing partial charges can help extend battery lifespan since lithium-ion batteries prefer fewer complete cycles.

  2. Driving Speed: Higher speeds can increase energy consumption, leading to deeper discharges of the battery. A study by the National Renewable Energy Laboratory (NREL, 2020) found that maintaining a moderate speed can help improve efficiency and reduce depletion rates, promoting longer battery health.

  3. Acceleration Habits: Aggressive acceleration and sudden braking can increase energy consumption, causing more stress on the battery. Research by the International Council on Clean Transportation (ICCT, 2019) indicates that smooth and gradual driving can yield energy savings and enhance battery performance.

  4. Environmental Temperature: Extreme temperatures can negatively impact battery health. Hot conditions can accelerate chemical reactions in the battery that lead to degradation, while cold can reduce battery efficiency. A study published in the Journal of Power Sources (2022) confirms that optimal operating temperatures (around 20-25°C or 68-77°F) can help maintain battery health over time.

  5. Charging Practices: Frequent fast charging can generate excess heat, which contributes to faster degradation. According to Tesla’s battery research (2021), using standard chargers rather than superchargers for daily use can prolong battery life through lower thermal stress.

  6. Regenerative Braking: Utilizing regenerative braking can extend battery life by capturing energy during deceleration and feeding it back into the battery. This technique reduces overall energy consumption and lessens strain on the battery. Research by BMW shows that effective use of regenerative braking can enhance energy efficiency by up to 20%.

In summary, adopting efficient driving habits such as maintaining moderate speeds, avoiding aggressive acceleration, optimizing charging practices, and utilizing regenerative braking can significantly enhance the longevity of an electric car battery.

How Does Climate Affect Electric Car Battery Performance?

Climate affects electric car battery performance in several significant ways. Temperature, humidity, and weather conditions influence battery efficiency, range, and lifespan.

Firstly, high temperatures can increase battery efficiency but may also shorten its lifespan. Heat can accelerate chemical reactions within the battery, leading to greater energy output. However, excessive heat can cause battery degradation and diminish its overall capacity over time.

Secondly, cold temperatures reduce battery capacity and efficiency. In colder weather, battery chemical reactions slow down, leading to decreased energy storage and range. Drivers may notice a shorter driving distance when temperatures drop.

Additionally, humidity can affect the battery’s components. Moisture can lead to corrosion, which impacts battery performance and longevity.

Finally, environmental factors such as elevation and weather conditions also play a crucial role. For instance, driving in heavy rain or snow can impact the battery’s temperature management system, further influencing performance.

In summary, electric car battery performance varies with climate. High temperatures can enhance immediate efficiency but harm long-term health. Cold temperatures reduce capacity and range. Humidity and environmental conditions also play critical roles in overall battery life and performance. Understanding these effects helps electric vehicle users maintain optimal battery performance.

What Is the Role of Charging Habits on Electric Car Battery Lifespan?

Charging habits significantly influence the lifespan of electric car batteries. Battery lifespan refers to the duration an electric vehicle battery can effectively store and provide energy before its capacity diminishes.

According to the U.S. Department of Energy, “Battery lifespan is the total time a battery can deliver a usable capacity before it falls below a specified threshold.” This threshold often means a loss of about 20% of its original capacity.

Several aspects impact battery lifespan, including charging frequency, charging levels, and environmental conditions. Regularly charging to full capacity (100%) can accelerate capacity loss over time. Additionally, consistently depleting the battery to very low levels (e.g., below 20%) can also be detrimental.

Research from the Electric Power Research Institute shows that temperature extremes can increase the rate of battery degradation. For example, high temperatures can accelerate chemical reactions within the battery, leading to reduced lifespan.

Statistics show that, under optimal charging conditions, lithium-ion batteries can last approximately 10-15 years, or 100,000 to 200,000 miles. A study by Benchmark Mineral Intelligence indicates that battery prices may drop by 60% by 2030, increasing electric vehicle adoption.

Poor charging habits can lead to reduced battery performance, increased waste in battery disposal, and higher replacement costs.

These issues can affect the environment, leading to increased mining for new battery materials, and they can impose economic challenges by increasing consumer expenses.

Implementing smart charging practices is essential. The International Council on Clean Transportation recommends charging to a maximum of 80% for daily use and avoiding prolonged exposure to extreme temperatures.

Adopting practices like using slow charging at home and monitoring charging habits using smart technology can mitigate battery degradation.

What Is the Average Lifespan of an Electric Car Battery?

The average lifespan of an electric car battery is typically between 8 to 15 years, depending on various factors. The U.S. Department of Energy states that most electric vehicle (EV) batteries can last for 100,000 miles or more under normal conditions.

The U.S. Department of Energy reports that advancements in battery technology have significantly improved the longevity and reliability of electric car batteries.

Battery lifespan is influenced by several aspects, including temperature, charging habits, and overall battery chemistry. Extreme temperatures can accelerate battery degradation. Regular full discharges and charges can also reduce lifespan.

Additional authoritative sources, such as the International Energy Agency, estimate that battery technology advancements are crucial in ensuring electric vehicle performance and durability.

Factors affecting battery lifespan include usage patterns, charging frequency, and environmental conditions. Batteries that often operate under high-stress conditions may degrade faster.

According to a 2021 report by BloombergNEF, over 80% of electric vehicle batteries retain at least 70% of their capacity after 8 years. This statistic reinforces the reliability of electric car batteries over their lifespan.

The consequences of battery lifespan concerns include increased costs for replacement and recycling challenges. Reduced battery efficiency can also lead to performance issues in electric vehicles.

The impacts of battery lifespan extend to environmental sustainability and energy consumption. Longer-lasting batteries reduce waste and lower the need for resource-intensive manufacturing.

For example, companies like Tesla focus on developing battery technologies that enhance longevity and reduce environmental impact.

To address battery lifespan issues, the Battery Electric Vehicle Association recommends practices such as optimal battery management systems and temperature regulation.

Strategies to enhance longevity include smart charging solutions, proper maintenance, and ongoing research into more durable battery materials.

How Many Miles Can You Expect from an Electric Car Battery?

You can generally expect an electric car battery to deliver between 100 to 370 miles on a full charge. This range depends on various factors, including the car model, battery capacity, and driving conditions.

Most electric vehicles (EVs) come equipped with batteries that have capacities ranging from 30 kWh to over 100 kWh. For example, the Tesla Model 3 Long Range offers approximately 353 miles of range with a 75 kWh battery. In contrast, smaller EVs like the Mini Electric provide around 110 miles with a 32.6 kWh battery. The efficiency of these batteries, measured in miles per kWh, plays a crucial role in determining the overall range of the vehicle.

Driving conditions heavily impact battery performance. Factors such as speed, terrain, temperature, and driving habits can reduce or increase the effective range. For instance, driving at higher speeds on a highway tends to deplete the battery faster than driving at a consistent speed in the city. Additionally, extreme temperatures, whether hot or cold, can negatively affect battery efficiency and overall range.

Another aspect to consider is the battery’s state of health over time. Battery performance diminishes as it ages. Many manufacturers estimate around 70-80% of the original capacity remaining after 8-10 years of use, which directly affects range.

In summary, the expected range from an electric car battery varies widely based on model, capacity, driving conditions, and battery health. For further exploration, look into advancements in battery technology and how they may improve electric vehicle range in the future.

What Is the Typical Warranty Period for Electric Car Batteries?

The typical warranty period for electric car batteries usually ranges from eight to ten years or 100,000 miles, whichever comes first. This warranty covers defects and battery capacity loss beyond a certain percentage, ensuring the buyer’s peace of mind regarding battery performance.

According to the U.S. Department of Energy, most manufacturers provide warranty terms that include both time and mileage limits. They guarantee battery performance, typically ensuring that battery capacity doesn’t fall below 70% during the warranty period.

Electric car batteries are a critical component of electric vehicles (EVs). They store energy and determine the car’s driving range. Battery warranty terms can vary based on factors such as battery brand, manufacturer policies, and regional regulations.

Automakers like Tesla and Nissan provide specific definitions of their battery warranties, outlining coverage for battery defects and expected lifespan. Tesla, for instance, offers an 8-year warranty that covers battery life and performance.

Several factors affect battery longevity, including charging habits, temperature extremes, and overall vehicle maintenance. Frequent rapid charging can lead to accelerated battery degradation, while consistently operating in extreme temperatures may further shorten battery life.

Data from the California Air Resources Board shows that EV batteries average 1% capacity loss per year. This statistic indicates that well-maintained batteries can retain most of their capacity throughout the warranty period.

Battery warranty policies impact consumer confidence and the adoption of electric vehicles. A reliable warranty can encourage potential buyers to consider electric options, boosting overall EV sales and adoption.

Electric car battery longevity also influences environmental factors, as longer-lasting batteries reduce the frequency of replacements, minimizing waste and resource extraction. Economically, robust warranties enhance the resale value of electric vehicles, making them more appealing in the market.

Examples of battery impact include improved performance and lower emissions. For instance, a longer-lasting battery contributes to extended vehicle ranges, providing convenience to users while lowering per-mile costs.

To address battery life issues, experts recommend regular maintenance, sustainable charging methods, and education on optimal battery usage. Following manufacturer guidelines can extend battery life and improve performance.

Strategies such as investing in better cooling systems and advanced battery management technologies can help mitigate battery degradation. These practices align with industry standards and research in battery technology advancements.

How Does Battery Chemistry Affect Lifespan?

Battery chemistry significantly affects the lifespan of batteries. Different types of battery chemistries have unique characteristics that influence how long a battery can efficiently hold and deliver energy. Common chemistries include lithium-ion, nickel-metal hydride, and lead-acid.

Lithium-ion batteries dominate in electric vehicles due to their high energy density. They typically last longer than other types because they can undergo many charge and discharge cycles without significant capacity loss. However, factors like temperature extremes and overcharging reduce their lifespan.

Nickel-metal hydride batteries have a shorter lifespan. These batteries suffer from memory effect, which can result in reduced capacity if they are not fully discharged before recharging.

Lead-acid batteries are the oldest technology. They are cost-effective but have limited lifespan due to frequent deep discharges, which shorten their durability.

In summary, battery chemistry directly affects performance, rechargeability, and longevity. Lithium-ion batteries offer the best longevity, while nickel-metal hydride and lead-acid batteries tend to degrade faster. Understanding these differences helps in selecting the right battery for specific applications, ensuring longer-lasting performance.

When Should You Replace Your Electric Car Battery?

You should replace your electric car battery when its capacity drops below 70-80% of its original capacity. This typically occurs after 8 to 15 years, depending on your usage and driving conditions. Monitor your battery performance regularly. If you notice a significant decrease in range or efficiency, it indicates potential battery wear. Check for warning signs, such as frequent alerts about battery status or reduced charging capability. Most warranties cover the battery for 8 years or 100,000 miles. When your battery no longer holds a sufficient charge, consider replacement to maintain vehicle performance. Regular maintenance and following manufacturer guidelines can also extend battery life.

What Are the Warning Signs of a Deteriorating Battery?

The warning signs of a deteriorating battery include decreased performance and physical indications of wear. Recognizing these signs can help prevent further damage and battery failure.

  1. Reduced runtime
  2. Swelling or bulging
  3. Corrosion on terminals
  4. Excessive heat during use
  5. Difficulty in starting or powering devices

Understanding these warning signs allows battery users to take proactive measures before encountering significant issues.

  1. Reduced Runtime:
    Reduced runtime occurs when a battery cannot hold its charge effectively. Users may notice that devices powered by the battery fail to operate as long as they previously did. This decrease in performance often indicates that the battery’s internal chemistry is deteriorating. For instance, lithium-ion batteries typically lose around 20% of their capacity after a couple of years of use, depending on conditions.

  2. Swelling or Bulging:
    Swelling or bulging indicates that there is internal damage to the battery, often due to overheating or overcharging. This occurs when gases build up inside the battery casing, making it appear distorted. Such physical changes are warning signs that the battery may rupture or leak, posing safety hazards. The National Fire Protection Association emphasizes that users should avoid using or charging a swollen battery, as it may catch fire or explode.

  3. Corrosion on Terminals:
    Corrosion on battery terminals manifests as a white, powdery substance around the connection points. This corrosion can interfere with electrical flow, leading to poor performance. It often occurs due to moisture exposure or overcharging. According to the Battery Science Guide, cleaning corroded terminals can help restore functionality, but it is essential to troubleshoot the underlying cause to prevent recurrence.

  4. Excessive Heat During Use:
    Excessive heat occurs when a battery overheats while being charged or used. This might indicate internal degradation or a malfunctioning battery management system. Overheating can be dangerous, leading to thermal runaway, which we see in malfunctioning lithium-ion batteries. The U.S. Consumer Product Safety Commission warns consumers to monitor battery temperatures during operation and charge cycles carefully.

  5. Difficulty in Starting or Powering Devices:
    Difficulty in starting devices powered by the battery points to insufficient power delivery. For example, a car battery may struggle to turn over the engine when in declining condition. Researchers from the Institute of Electrical and Electronics Engineers (IEEE) highlight that this symptom can worsen over time, leading to complete power failure if not addressed promptly.

By recognizing these warning signs, battery users can effectively maintain their batteries, ensuring longevity and safety across devices.

How Do You Assess Electric Car Battery Health?

To assess electric car battery health, you should evaluate the battery’s state of charge, state of health, and charging performance. Each of these points provides essential insights into the battery’s functioning and longevity.

State of Charge (SoC): This measurement indicates the current charge level of the battery compared to its total capacity. SoC is usually expressed as a percentage. A fully charged battery will read 100%, while a completely discharged one will read 0%. Monitoring SoC helps in understanding how much driving range is available. According to a study by N. Singh et al. (2021), maintaining an SoC between 20% and 80% can prolong battery lifespan.

State of Health (SoH): This assessment reflects the battery’s overall condition and ability to hold charge compared to its original capacity. SoH is expressed as a percentage. A new battery typically has an SoH of around 100%. After several years, it might decline to 70% or lower. Research by M. Wang (2020) suggests that batteries generally show a 20% decline in capacity after five years of use, indicating potential replacement needs.

Charging Performance: Evaluating the efficiency and speed at which the battery charges is critical. Monitoring charge times and how well the battery responds to rapid charging can reveal underlying issues. A study published in the Journal of Power Sources by R. Thomas (2019) highlights that a marked increase in charging time can signal diminishing battery health. Ideal charging performance involves charging to 80% in less than 30 minutes for fast chargers.

Temperature Management: Battery temperature greatly affects health. High temperatures can accelerate wear, while low temperatures can reduce efficiency. Keeping the battery in a temperature range of 20°C to 25°C helps in maintaining optimal performance. According to a report by E. Johnson et al. (2018), batteries exposed to extreme temperatures for prolonged periods are more likely to degrade quickly.

Monitoring with Diagnostic Tools: Using specialized diagnostic tools can provide detailed insights into the battery’s health. These tools analyze data concerning voltage, current, and temperature, giving a comprehensive health report. A diagnostics study by T. Chen (2020) illustrates the effectiveness of these tools in predicting battery failures before they occur.

Regular visual inspections also help identify physical damages or corrosion on terminals. A combination of these evaluations gives a clear picture of the battery’s health and informs maintenance or replacement decisions.

What Should You Consider Before Replacing Your Electric Car Battery?

Before replacing your electric car battery, consider the following factors:

  1. Battery Age and Warranty
  2. Cost of Replacement
  3. Battery Performance and Range
  4. Manufacturer Reputation
  5. Environmental Impact
  6. Availability of Replacement Options

These factors significantly affect the decision to replace your battery. Understanding their implications will help you make an informed choice.

  1. Battery Age and Warranty: Battery age and warranty are critical factors to assess. Electric car batteries typically last between 8 to 15 years, depending on usage and care. Most manufacturers provide warranties that cover battery defects for about eight years. Understanding these timelines helps in planning a replacement.

  2. Cost of Replacement: The cost of replacement is a significant consideration. Replacing an electric car battery can range from $3,000 to $7,000, depending on the model and battery size. Knowing the potential costs can help in budgeting and financial planning.

  3. Battery Performance and Range: Battery performance and range are essential. Over time, batteries may lose their ability to hold a charge, affecting the distance your vehicle can travel on a full charge. Monitoring the range helps in determining when a replacement may be necessary.

  4. Manufacturer Reputation: Manufacturer reputation influences battery quality and longevity. Some brands offer batteries with longer life spans and better warranties than others. Researching brand histories and customer reviews can provide insight into reliability.

  5. Environmental Impact: The environmental impact of battery replacement is an important concern. Proper disposal and recycling of old batteries are vital to minimizing ecological damage. Many manufacturers offer recycling programs to assist in responsible disposal.

  6. Availability of Replacement Options: Availability of replacement options can affect your decision. Some vehicles may have a limited selection of compatible batteries. Checking for options from different manufacturers can provide flexibility and possible cost savings.

Understanding these factors enables electric car owners to make informed decisions when considering battery replacement.

How Can You Extend the Life of an Electric Car Battery?

You can extend the life of an electric car battery by using several effective strategies. Proper charging habits, optimal temperature regulation, minimizing deep discharges, and regular maintenance all contribute significantly to battery longevity.

Proper charging habits: It is essential to charge the battery at appropriate times. According to a study by the National Renewable Energy Laboratory (NREL, 2022), charging between 20% and 80% state of charge is ideal. This practice prevents overcharging and deep discharging, both of which can degrade battery health over time.

Optimal temperature regulation: Batteries operate best within a moderate temperature range. The University of California, Davis, found that extreme temperatures can accelerate capacity loss (2022). For instance, keeping your battery in temperatures around 20°C to 25°C (68°F to 77°F) can help enhance performance and longevity. Using thermal management systems in the vehicle can assist in maintaining this range.

Minimizing deep discharges: Frequently draining the battery to low levels can strain it. A study by the Journal of Power Sources indicated that discharging less than 20% of the battery’s capacity can improve lifespan (Zhang et al., 2021). Keeping the battery charged above this level is beneficial.

Regular maintenance: Following the manufacturer’s maintenance schedule can also help. Regularly checking the battery’s condition and software updates can improve vehicle performance and battery health. Experts suggest monitoring battery health metrics to identify potential issues early on. Routine checks can provide insights into voltage levels and overall functionality.

By implementing these strategies, electric car owners can enhance the lifespan of their vehicle’s battery.

What Maintenance Practices Help Prolong Battery Lifespan?

Maintenance practices that help prolong battery lifespan include regular charging habits, temperature management, and avoiding deep discharges.

  1. Regular Charging Habits
  2. Temperature Management
  3. Avoiding Deep Discharges

Exploring these points will provide a clearer understanding of how to extend battery life effectively.

  1. Regular Charging Habits:
    Regular charging habits directly impact battery lifespan. Keeping a battery between 20% and 80% charge promotes optimal health. The electric vehicle company Tesla recommends this range to prevent unnecessary stress on the battery. Research by the Battery University shows that consistently charging a lithium-ion battery to full capacity can lead to faster degradation. Therefore, charging frequently without letting the battery drop too low preserves its overall longevity.

  2. Temperature Management:
    Temperature management is crucial for maintaining battery performance. Extreme temperatures can harm battery cells. For example, a study by the National Renewable Energy Laboratory indicates that lithium-ion batteries degrade more quickly at temperatures above 30°C (86°F). Ideally, these batteries should be kept in environments ranging from 20°C to 25°C (68°F to 77°F). Using features such as thermal management systems in electric vehicles can help regulate temperatures and extend battery life.

  3. Avoiding Deep Discharges:
    Avoiding deep discharges can significantly extend battery lifespan. Deep discharging refers to allowing the battery to drain to very low levels, which can cause cell damage. According to research published by the Journal of Power Sources, routinely allowing a battery to discharge below 20% can result in diminished capacity over time. Ideally, users should aim to recharge before reaching this critical level to help maintain battery integrity and efficiency.

How Does Charging Technique Influence Battery Durability?

Charging technique significantly influences battery durability. Different charging methods affect how batteries store and manage energy. Here is a breakdown of the key components involved in this relationship.

First, we have the charging rate. Fast charging delivers higher power in shorter timeframes. While it offers convenience, it causes more heat. Excessive heat can degrade battery materials, lowering overall lifespan.

Next, consider the charging cycle. A complete cycle refers to charging from 0% to 100% and back. Frequently completing full cycles can wear down the battery faster. Opting for partial charges helps extend battery life. Keeping the charge between 20% and 80% is often recommended.

Another important factor is the charging method. Using smart chargers can optimize the charging process. These chargers adjust power levels based on battery needs, reducing stress on the battery.

Additionally, temperature plays a role. Charging in extreme conditions can harm battery components. Optimal charging typically occurs between 20°C and 25°C (68°F to 77°F). Avoiding extreme heat or cold can enhance battery performance and longevity.

In summary, proper charging techniques, including mindful charging rates, cycle management, optimal methods, and temperature control, can greatly enhance battery durability. Following these practices leads to longer-lasting battery life in electric vehicles.

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