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Reports on social media suggest the new model year still doesn't push beyond 55kW but the taper may extend past the first taper at 50-55%.
Confirming 55kW max + better profile-

Thread including photo from another tester of charge station, 2020 Bolt at 50% predicting time to 80% -


I compared with a similar session I did on Electrify America (16-80%) to see what kind of difference it would make in terms of time and energy delivered: https://www.torquenews.com/7893/fast-charging-2020-chevy-bolt-ev-still-tops-out-55kw

I also noted that Chevy press has updated the old "90 miles in 30 minutes" to "100 miles in 30 minutes" -- although this only really reflects more capable charge stations, as I can get this in my 2017 in optimal conditions. And defining charge speeds by miles is obviously a moving target, although I suppose it helps explain to the average punter.
 

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Well that's disappointing. I wasn't expecting 100kW, but I was hoping for closer to 75. Something along the lines of what the Kona can do. At least a better taper will make a difference. I'm curious to see what it is.
 

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At least a better taper will make a difference. I'm curious to see what it is.
Same here. Definitely needs some real-world testing from folks familiar with the current Bolt EV to compare the specifics. Eric from the News Coulomb channel mentioned he's getting a 2020 model for review soon, so if the reporters don't go in-depth, at least we know he will.

It's also not impossible that they'll change the speed on actual delivery models, but it seems odd that they wouldn't show testers any improvement when they're obviously going to write about the topic.
 

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I'm not at all surprised. The internal cables and fast-charge circuitry in the Bolt are likely rated at 150A, so it can't go a lot higher without replacing a lot more of the Bolt's internals, all they can really do is update the BMS software.

I suspect they upgraded the battery chemistry for 2020 because LG chem was making an offer they couldn't refused. When the Bolt sees a major refresh, then they're do more than update the BMS programming.
 

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I want a microwave receiver dish on the roof so I can get power from space based solar power plants. ;)
 

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I'm wondering if GM will pass along the new charging profile to earlier Bolts.
Don't count on GM providing anything via firmware upgrade to the older models. They already aren't making any money via the repair channel on these things, so why would they encourage drivers to keep their older models even longer?
 

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She made comment about lower internal resistance in the new battery pack...

 

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She made comment about lower internal resistance in the new battery pack...
That is the reason she gave for it being able to go to a higher SOC before tapering the charge rate. I wish she had been less focused on efficiency (fogged up side window, everyone passing her), so she would have an excuse to use a DCFC so she could have mapped out the taper points for us.

I hope Eric gets a shot at testing one of these... we will have data immediately.

Keith
 

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I personally welcome the "Up to 150 percent more miles... at cold temperatures" part. I've seen my Bolt getting 16kW charging speed at 49% SoC (displayed) when it was below freezing, so the slow charging issue is definitely a pain and I'm glad GM is addressing it with the new battery.
 

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As good as a spot as any - What do You all think about the 2020 Bolt?
My opinion of my 2017 Bolt LT = grade of C for an EV and grade of A for a car (comparing it to a very crappy almost 300K miles almost 20 year old Olds Alero GX).
My opinion of the 2020 = grade of C for an EV in late 2019. Areas I think the car is still deficient;
LOOKS / FEELS
  • Exterior still looks CHEAP compared to a 25K MSRP Honda CRV. (look at the Honda's exterior lower plastic molding as an example to see what I mean compared to Bolt).
  • Interior still LOOKS AND FEELS CHEAP compared to a 25K MSRP Honda CRV. (Dash, carpet, seats etc.). Nice looking blue paint though for 2020...
PERFORMANCE
  • -Range barely improved in almost 5 years. Was hoping for above 300+ miles by now.
  • -Charging rate still very slow. Was hoping for an 800V system and capable of programmable DCFC rates (50kw-150kw) as well as a programmable end point (programmable hill top reserve is the one thing they did do for us).
  • -Hoped for a heat pump to increase hvac efficiency.
  • -As far as I know DCFC is not standard like most think it should be.
  • -Still no Camping mode/ Dog mode/ Sentry mode/ entertainment mode (Youtube / Netflix) ala Tesla (lets face it GM is way behind in the software area). This is coming from someone whos relatives worked a combined 200+ years for GM. I have never owned a Tesla just sat in one for 5 minutes in my life.
Hopes for the future 2021 Bolt refresh - they fix all of the above and significantly improve the product. Fears for future 2021 Bolt refresh. They change the front and rear fascias (minor cosmetic tweak that is almost un noticed except for those that already own one). They make very minor changes to the interior (bigger 12 inch screen) slightly better seats. They leave everything else un-touched. If they continue to move real slow the sales will be flat with MASSIVE cash / financing incentives needed from GM. A final thought; I read online Mary Barra drives a Suburban. She should be forced to drive both a Tesla and a Bolt every single day to see the Bolt's deficiencies. I bet the range and charging speeds would be fixed sooner rather than later!
 

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Of course, the rating is subjective. I have limited experience with EVs, and none with Tesla, but the Bolt was above average in my estimation of an EV, especially at the price point. It has among the longest range, which is quite adequate and needing no improvement. DCFC rate could be faster, but what percent of people even depend on it, and of those, how frequently is it used? I intend to never use DCFC. For that reason, keeping it as an option makes sense.

From an acceleration standpoint, it's above average too for both an EV and vehicles in general.

I expect a Tesla test drive will be in my future at some point, so that might color my opinions differently.
 

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2020 Bolt is a must if you live in cold/snowy places. Otherwise, save your money and get the 2019.
 

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I personally welcome the "Up to 150 percent more miles... at cold temperatures" part. I've seen my Bolt getting 16kW charging speed at 49% SoC (displayed) when it was below freezing, so the slow charging issue is definitely a pain and I'm glad GM is addressing it with the new battery.
For this to be the case, either they battery chemistry allows much higher current at low battery pack temperatures, or they must have a larger battery heater that operates to a higher battery pack temperature. The 2017 heater is only 2 KW, and shuts off when the battery pack temperature reaches around 60F, with max charging rate not achieved until the battery pack is over 75F.

Keith
 

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2020 Bolt is a must if you live in cold/snowy places. Otherwise, save your money and get the 2019.
I disagree, in Wisconsin the range is diminished greatly that you feel like you have a different car versus the summer experience. My point is the minimal, if almost insignificant battery upgrade in the 2020 makes it a moot point. I use the heater when I drive in winter, and I'm pulling out of a heated garage at home so there's some help there. I didn't buy a new car so I could drive around town being cold. Since it's a commuter car to me, it works, but the range impact is more than 30% in my 1 full year of ownership, went through a full winter last year and entering my second fairly soon. I still think it's a charging game, as much if not slightly more than a battery game. And I would say; Own a Tesla if you live in cold/snowy places. Well, for Wisconsin, there's plenty of super chargers around here.
 

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GM TechLink also pointing out "faster charging when cold" but very short on engineering detail
"DC fast charge rates are also improved for 2020, especially in cold weather, reducing the amount of time spent at a charging station."

One additional tidbit I had not read elsewhere, is that "A new data screen in GDS2 is available under the Hybrid/EV Powertrain Control Module 2 entitled Energy Usage History. Some of the new information available includes the battery capacity in Amp-Hours and the energy impact score from several factors, such as outside temperature, cabin climate, and driving technique."

 

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Some of the new information available includes the battery capacity in Amp-Hours and the energy impact score from several factors, such as outside temperature, cabin climate, and driving technique."
Amazing! They must be very confident about this new battery.
 

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One additional tidbit I had not read elsewhere, is that "A new data screen in GDS2 is available under the Hybrid/EV Powertrain Control Module 2 entitled Energy Usage History. Some of the new information available includes the battery capacity in Amp-Hours and the energy impact score from several factors, such as outside temperature, cabin climate, and driving technique."
It might just be me, but that sounds like the initial OBD-II PID that was used to estimate the battery capacity in 2017 and 2018 models was indeed battery capacity value in Ampere-Hours (more specifically, in 0.1Ah steps) as I had suspected. I'm not really familiar with GM's GDS2, but a quick search makes it seems like you connect an adapter via OBD-II port and run a software on a PC to use it. If that's the case, then maybe the there's hope that a new (or old) PID could be found on the 2020 model that enables the user to see this battery capacity value?
 

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I was under the impression that, all 2020 EV's and later was supposed to have CCS 2.0 which has a faster charge rate
Supporting the standard does not necessarily mean that the hardware (battery and BMS) can deliver the maximum allowed. New models of Renault Zoe support only up to 50kW charging, for one thing.
 
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