this post was submitted on 17 Mar 2024
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[Dormant] Electric Vehicles
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I suppose unless the instrumentation is built into the car's systems (no idea if it is or not), it may be difficult or time consuming to check the health of an EV battery pack. But it's not like you can eyeball the cylinder compression of an ICE car, either. I suspect that since they're a relatively new tech, the tools and tricks aren't widely known for evaluating them. You would have to measure the voltage drop on the battery vs current draw and have baseline data to compare that to. I would think EVs would track power usage (otherwise how do you know when to charge the vehicle?) and so they should be able to estimate the AH capacity of the battery?