Chevy Spark Battery Degradation

So i just finished compiling my historical data and calculating my battery degradation after 70 000 miles of driving. I can only imagine we have our legal brethren to thank for this. My chevy bolt ev just passed 100 000 miles so let s look at how much capacity.

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Visit the spark ev forum.

Chevy spark battery degradation.

So i got a used spark ev in july 2018 and the obd torque pro battery capacity read 15 8 kwh. Mine has lost more than 15 in eighteen months and 17k miles. Then to my surprise last month it went up to 15 9. There is a feature on the spark where you can figure out quite easily how much your battery has deteriorated over time travel.

Had a 22kw a123 battery and the 2014 s warranty calls for warranty coverage at 65. Chevy bolt ev battery health after 100 000 miles all electric vehicle batteries degrade and lose capacity over time. It s a bit higher than i thought it would be but i did notice an immediate and significant drop off immediately following the software update. Since june 10 i have used torquepro and an obdlink mx adapter to measure the battery capacity in my 2016 spark ev.

That would suggest that warranty replacement could occur when the a123 battery degraded to 14 3 kw within eight years and 100 000 miles. If 17 4 is the usable capacity then losing 1 3 kwh from a battery in a spark sold over 3 years ago really shouldn t be frowned upon. Visit the spark ev forum. With spark you know how much your battery has degraded.

And just this week it went up again to 16 0.