Understanding the 80% Rule for Electric Vehicles | A Primer on EV Basics

The Electric Vehicle 80% Rule is a principle that states electric vehicle owners should aim to never let their battery drop below 20% capacity, or charge it beyond 80% capacity. This rule is based on the idea that keeping the battery within this 60% range of its total capacity can help prolong its lifespan and maintain its performance over time.

By following this rule, electric vehicle owners can help prevent degradation of the battery, which can lead to decreased range and efficiency. Additionally, charging the battery beyond 80% capacity can cause excess heat and stress on the battery cells, which can also contribute to a shorter lifespan.

Overall, adhering to the Electric Vehicle 80% Rule can help maximize the longevity and performance of an electric vehicle’s battery, ultimately leading to a better driving experience and lower long-term costs for owners.

Watch an interesting video on this topic: What is the Electric Vehicle 80% Rule? | EV Basics

In this video we tackle the “80 Percent Rule.” What is it? Well, most of the time you should only charge an EV to 80%. Why is that though? We’ll explain how reducing your charge can maintain the overall health of your battery and be a much more efficient strategy for tackling road trips in an electric car.

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0:00 Introduction
0:32 Two Reasons Why You Should Limit Your Charge
1:45 Charging Curves
3:05 Charging on Road Trips
4:09 When to Charge to 100%
4:58 How to Charge EVs Wirelessly
5:50 Maintaining Battery Health
6:52 Automatic Limiting of Charging
8:05 Conclusions

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