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Using Range Replenishing Speed to Evaluate Electric Vehicles
A metric used when comparing how fast electric vehicles charge is range replenishing speed. This is usually measured in the average amount of range gained per minute while charging from 20 to 80 percent.
The first I heard of range replenishing speed was from InsideEVs. They have great fast-charging analysis on many electric vehicles with a wide range of metrics used and is currently the best (only?) place to find tests measuring this metric.
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Using Maximum Charging Power to Evaluate Electric Vehicles
A common metric that is used when comparing how fast electric vehicles charge is the maximum charging power. This is measured in kilowatts (kW) and is the maximum power a vehicle can receive while charging.
Let’s explore how well this metric may or may not help people understand which electric vehicles are more or less convenient to charge.
Pro: Simple and easy to understand A single number is used for each vehicle and the scale is linear.
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Using Average Charging Power to Evaluate Electric Vehicles
A common metric that is used when comparing how fast electric vehicles charge is the average charging power. This is measured in kilowatts (kW) and is usually the average power a vehicle receives when charging from 20 to 80 percent using a DC fast charger.
Let’s explore how well this metric may or may not help people understand which electric vehicles are more or less convenient to charge.
Pro: Simple and easy to understand A single number is used for each vehicle and the scale is linear.
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Using 20 to 80 Charging Time to Evaluate Electric Vehicles
A common metric used when comparing how fast electric vehicles charge is how long it takes to charge from 20 to 80 percent of the battery capacity.
Let’s explore how well this metric may or may not help people understand which electric vehicles are more or less convenient to charge.
Pro: Simple and familiar Having a metric measured in time is useful to other aspects of life that are already familiar to us.
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EV Road Trip
In 2019 I wrote a couple of posts about a road trip I took in my Tesla Model 3.
EV Road Trip: Charging EV Road Trip: For the Fun of It