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Where are the battery/batteries located in a C8

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  • Where are the battery/batteries located in a C8

    Sorry if this should be in drivetrain area, move it if I did this wrong, but I am wondering if anyone has seen/noticed in the reveal or cutaway pictures or discussions where the battery is located. With this new architecture I don't know if it gets one 12V or a 12V and a 48V or ??????

  • #2
    The battery charger port is in the frunk, so the battery is almost certainly up there somewhere. GM hasn't said anything about a 48 volt system. But there are a lot of specs they haven't talked about yet, so we'll have to wait and see.

    That said, none of GM's Press releases on the Global B architecture have ever mentioned 48 colts.
    Delivered 5/29!: Scarlet Fever 2021 2LT HTC, Red Mist Metallic Tintcoat, two-tone Natural w/ suede inserts, Mag Ride, Performance Exhaust

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    • #3
      Guys, I saw a picture that showed the batt, (presumably 12V), under the panel right above the frunck opening/well. There is a refill cap or 2 poking through it. In the picture I saw, that panel was removed.
      2020 C8 Stingray Coupe 2LT; LBR Metallic / Natural Interior; GT1 Seats; EFY; Silver Hash Marks; E60-Front Lift; ZZ3-Engine Pkg; NPP-Exhaust; Edge Red Calipers; Edge Red Eng Cover; EYK; VQK; RXH; WKQ; SC7; GNOCC charter member. C8 arrived at the dealer 8/10/20

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      • #4
        Hopefully they give you a little more room to remove and replace the battery than they do on the C7. Yeah, that was a fun day.

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        • #5
          From the picture I saw, you may have to "man-handle" it straight up, hopefully not hitting the base of the frunck hood. But, seemingly better than the C7.
          2020 C8 Stingray Coupe 2LT; LBR Metallic / Natural Interior; GT1 Seats; EFY; Silver Hash Marks; E60-Front Lift; ZZ3-Engine Pkg; NPP-Exhaust; Edge Red Calipers; Edge Red Eng Cover; EYK; VQK; RXH; WKQ; SC7; GNOCC charter member. C8 arrived at the dealer 8/10/20

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          • #6
            Originally posted by DR X View Post
            From the picture I saw, you may have to "man-handle" it straight up, hopefully not hitting the base of the frunck hood. But, seemingly better than the C7.
            Hope that's true. The man handling is no problem, but the contortions you need to do to get out the battery in the C7 never made any sense to me. Argh engineers.

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            • #7
              The ultimate worst battery removal on a C7 was the 2015 Z06, so bad that after complaints from its Techs, GM enlarge the size of the opening a 1/4” for 2016. I know I had to remove my 2015’s battery, got cut knuckles and more doing so (could not use gloves because that added more thickness to its removal).

              Agree that the C8’s battery removal will be much better.
              GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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              • #8
                Originally posted by meyerweb View Post
                The battery charger port is in the frunk, so the battery is almost certainly up there somewhere. GM hasn't said anything about a 48 volt system. But there are a lot of specs they haven't talked about yet, so we'll have to wait and see.

                That said, none of GM's Press releases on the Global B architecture have ever mentioned 48 colts.
                Only reason I said that is I believe I read in an interview with Tadge he mentioned a new electrical architecture. They have been using CAN BUS for some time and have talked about the increase in electrical requirements of this car and 12/48 would do that. To your point, it is still speculation only.

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                • #9
                  Originally posted by Phil1098 View Post

                  Only reason I said that is I believe I read in an interview with Tadge he mentioned a new electrical architecture. They have been using CAN BUS for some time and have talked about the increase in electrical requirements of this car and 12/48 would do that. To your point, it is still speculation only.
                  The new electrical architecture is the "Global B" architecture I mentioned. GM announced it over a year ago, and there have been multiple GM press releases about it, and multiple articles in the press. I haven't seen one that mentions 48 volts.

                  Global B is about processing speed and data throughput. Most solid state electronics work at 5 volts, so whether the base system is 12 or 48 the voltage is going to get stepped down to operate the computers. The advantage of 48 volts is that you need fewer amps to deliver the same power, which means you can use smaller wires, which can be easier to route and which saves weight. Nothing at all to do with data throughput.
                  Delivered 5/29!: Scarlet Fever 2021 2LT HTC, Red Mist Metallic Tintcoat, two-tone Natural w/ suede inserts, Mag Ride, Performance Exhaust

                  Gone but not forgotten: SunKissed, 2015 2LT, 7MT, Black over Daytona Sunrise Orange Metallic, Stingray convertible

                  Proud member of the Old Dominion Corvette Club: https://www.olddominioncorvetteclub.org/

                  Never grow up - It's a trap.

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                  • #10
                    Originally posted by meyerweb View Post

                    The new electrical architecture is the "Global B" architecture I mentioned. GM announced it over a year ago, and there have been multiple GM press releases about it, and multiple articles in the press. I haven't seen one that mentions 48 volts.

                    Global B is about processing speed and data throughput. Most solid state electronics work at 5 volts, so whether the base system is 12 or 48 the voltage is going to get stepped down to operate the computers. The advantage of 48 volts is that you need fewer amps to deliver the same power, which means you can use smaller wires, which can be easier to route and which saves weight. Nothing at all to do with data throughput.
                    I just read the 48volts in this article about Global B. https://www.autoblog.com/2019/05/22/...-platform-ota/

                    This quote "The advances mean better screen resolutions, better battery management for hybrids and electric vehicles, the capability for over-the-air updates and "functionality upgrades throughout the lifespan of the vehicle." Cadillac's Super Cruise has already been lined up as a leading candidate for constant improvements in the driving assistance suite, a key part of GM's "vision for a world with zero crashes, zero emissions and zero congestion." And whenever GM decides to take the plunge, it will mean a 48-volt electrical system."

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                    • #11
                      That's the only place I've seen it. None of GM's press releases mention it, and it IS already on some Cadillac models, I think.

                      As I said initially, we'll find out when GM releases full specs.
                      Delivered 5/29!: Scarlet Fever 2021 2LT HTC, Red Mist Metallic Tintcoat, two-tone Natural w/ suede inserts, Mag Ride, Performance Exhaust

                      Gone but not forgotten: SunKissed, 2015 2LT, 7MT, Black over Daytona Sunrise Orange Metallic, Stingray convertible

                      Proud member of the Old Dominion Corvette Club: https://www.olddominioncorvetteclub.org/

                      Never grow up - It's a trap.

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                      • #12
                        Believe me, I don't want anything more complicated than it needs to be. Electrical gremlins are the worst.

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