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Volt Traction Battery Reserve vs. Range

6190 Views 9 Replies 9 Participants Last post by  canehdian
I gather that Volt traction battery capacity has gone from 16.0 kWh (2011-12) to 16.5 kWh (2013-14) to 17.1 kWh (2015), and finally to 18.4 kWh (Gen 2). Therefore, there should be a small range difference in the various years of Gen 1 Volts, assuming that the traction battery is always drained to the some reserve capacity that is constant. However, that may not be the case.

Does anyone know (a) how much energy (kWh) remains in the traction battery when the system shows it is empty
and switches to the ICE and (b) if this reserve energy value has been the same, year by year, in Gen 1 Volts?
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OK, let's assume a battery reserve of 4.4.kilowatt-hours. I've been keeping a spreadsheet of trips in my 2015 Volt in mostly city driving, and the average miles per kilowatt-hour is 3.39. If that number is taken as a benchmark, it means that the 2011-12 Volts should have an average range of about 39.3 miles, the 2013-14 Volts should have a range of about 41.0 miles, the 2015 Volts should have a range of about 43.1 miles, and the 2016-17 Volts should have a range of about 47.5 miles. However, I should note that my average miles/kWh has a 10% standard deviation, so there's a big variation associated with these numbers.
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