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by SparkE
Tue Feb 12, 2019 1:40 pm
Forum: General / Main Owners Forum
Topic: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?
Replies: 16
Views: 274

Re: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?

Having 65% of original 2014 battery would be around 13 kWh remaining. Having 60% of 2015-16 battery would be around 11 kWh remaining (I seem to recall that for 2015-16 it is loss of 40%). I knew that there would be battery loss going in, at least 5% a year I figured, so I am not that worried. (Espec...
by SparkE
Mon Feb 11, 2019 11:52 am
Forum: General / Main Owners Forum
Topic: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?
Replies: 16
Views: 274

Re: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?

Here are some battery capacity data points for my 2014 Spark EV w/o DCFC: 17 Aug 15 - 1661 miles - 19.86 kwh from Energy Information screen data 15 Aug 16 - 6021 miles - 18.60 kWh from Energy Information screen data {...} So it appears that 20 kWh is a good 'guess' for initial usable capacity. And ...
by SparkE
Sun Feb 10, 2019 8:55 pm
Forum: General / Main Owners Forum
Topic: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?
Replies: 16
Views: 274

Re: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?

The lack of concrete battery warranty data is annoying. i.e. 35% after 8 years of what original capacity? That should translate to a known fixed value which should be publicly acknowledged. The original marketing specs were for a 21kWh battery. If somehow, the "useable" is less (and undocumented), ...
by SparkE
Sun Feb 10, 2019 6:09 pm
Forum: General / Main Owners Forum
Topic: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?
Replies: 16
Views: 274

Re: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?

Thanks for all the info. May I inquire where the "official" battery degradation warranty info is? 35% degradation in ~ 5 years seems pretty excessive, and had I understood that from the get-go I might have been less inclined to purchase the car outright... There should be a "warranty information" p...
by SparkE
Sun Feb 10, 2019 2:36 pm
Forum: Batteries and Charging
Topic: 2015 Chevy Spark EV battery
Replies: 4
Views: 98

Re: 2015 Chevy Spark EV battery

For anyone that cares, the drag force can be modeled by this equation : 𝐹𝐷=12πœŒπΆπ·π΄π‘£2 where 𝐹𝐷 is the drag force, which is by definition the force component in the direction of the flow velocity 𝜌 is the mass density of the fluid (air in our case: πœŒβ‰ˆ1.1839 Kg/m3 at 1 atm and 25 Β°C) 𝑣 is the velocity r...
by SparkE
Sun Feb 10, 2019 2:16 pm
Forum: Batteries and Charging
Topic: 2015 Chevy Spark EV battery
Replies: 4
Views: 98

Re: 2015 Chevy Spark EV battery

Am new to this forum but believe I've read enough to now think I made a mistake in purchasing a used 2015 Spark. It only has 30k mileage but it look like the battery(s) may be losing life. We purchased the 240v outlet to charge our spark. Since October it was charging at a range of around 65-68 mil...
by SparkE
Sun Feb 10, 2019 12:34 am
Forum: General / Main Owners Forum
Topic: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?
Replies: 16
Views: 274

Re: 2014 Spark EV down to 15.3kWh, time to take it to the dealer?

I am the original owner of my 2014 Spark EV, bought in Oct 2013, just ticked over 40,000 miles. Just got back from a short trip and noticed the battery capacity is seemingly getting rather low. By my maths this equates to ~15.3kWh capacity. Time to get it checked at the dealer? What is the warranty...
by SparkE
Fri Feb 01, 2019 10:18 am
Forum: General / Main Owners Forum
Topic: Scheduled Preconditioning?
Replies: 2
Views: 135

Re: Scheduled Preconditioning?

Does the Spark allow cabin preconditioning to be scheduled, either at the vehicle, or via phone app? I know the Bolt doesn't have this feature, but it's my understanding that the Leaf does. Anyone know if the i3 can be scheduled? AFAIK, the Spark does not allow this. Although, all you have to do is...
by SparkE
Sun Jan 27, 2019 12:07 pm
Forum: Buying / Leasing / Dealerships
Topic: Looking to buy and some advice...
Replies: 12
Views: 348

Re: Looking to buy and some advice...

....right after an afternoon full charge (which I rarely did). But what about allowing the BMS to do its house keeping? I believe that takes place after the 'full charge'. BMS 'balances' the cell voltages. But now that I say that,,, how does a Bolt or Leaf or Tesla handle BMS duties when the charge...
by SparkE
Sat Jan 26, 2019 5:02 pm
Forum: Buying / Leasing / Dealerships
Topic: Looking to buy and some advice...
Replies: 12
Views: 348

Re: Looking to buy and some advice...

Note: the full-charge GOM mileage value is very dependent on how the car has been driven and driving conditions. I see GOM values of 95 to 100 miles in late spring through early fall. In winter, I use the heater and my full-charge GOM valued drop to around 70 miles. Yeah, I was rather suspicious wh...

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