Satechi Launches 72W USB-C Car Charger and MFi-Certified USB-C to Lightning Cable

Discussion in 'iOS Blog Discussion' started by MacRumors, Aug 8, 2019.

  1. MacRumors macrumors bot


    Apr 12, 2001

    Satechi today announced a new 72W USB-C Car Charger and an Apple MFi-Certified USB-C to Lightning cable. The company said that with Power Delivery technology and USB-C, the 72W Car Charger supports quick charging of modern iPhones.


    This means that you can get about 50 percent of charge on an iPhone 8 or later device in 30 minutes. Satechi's new car charger also has a regular USB-A port, so you can charge two devices at once. The USB-C port delivers fast charging up to 60W and the USB-A port delivers regular charging up to 12W.

    You can buy the 72W USB-C Car Charger in Silver or Space Gray for $29.99, and the USB-C to Lightning Cable for $24.99. The cable features a length of six feet and a braided nylon construction to avoid tangles.

    Note: MacRumors is an affiliate partner with Satechi. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site running.

    Article Link: Satechi Launches 72W USB-C Car Charger and MFi-Certified USB-C to Lightning Cable
  2. dvhoosier macrumors newbie


    Sep 30, 2015
  3. d5aqoëp macrumors 65816


    Feb 9, 2016
    Has anyone done studies on how this can negatively affect car battery? I had Aukey car charger USB-PD 15W. My new car battery went off within 2 months. VW were terrible and kept saying that my car charger was to blame.
  4. RumorConsumer macrumors 6502a


    Jun 16, 2016
    Right? Does this not charge a MBP??
  5. xanduxandu macrumors newbie


    Aug 8, 2019
    72W and such small form factor, I don’t think is possible
  6. 33man macrumors 6502

    Sep 27, 2011
    Time to remember power formula calculation


    I = 72/12 = 6 Amps...

    Seriously? 6 amps this plastic will melt.

    My two cents but I thing there is 72 W for half a second, so they can get validated product name/description but mostly will use max 0.5 amp
    --- Post Merged, Aug 8, 2019 ---
    Haha it's 60 + 12
  7. Braderunner macrumors 6502a

    Oct 2, 2015
    That is a lot of power to be drawing from your car's electric system. I wouldn't risk it. I know that some people will say that they don't have a problem, but, that's their car. I wouldn't do it to mine.
  8. thisisnotmyname, Aug 8, 2019
    Last edited: Aug 8, 2019

    thisisnotmyname macrumors 68000


    Oct 22, 2014
    known but velocity indeterminate
    Are you charging while your car is off? I think someone is feeding you a line. Your alternator tends to put out about 14V unless you are constantly at low idle (and even then enough voltage not to matter for these purposes) and probably 85 amps or so (maybe less on your specific car but again not enough to matter for these purposes). So 14v * 85a = 1190w, 15w of draw is meaningless.

    Even if the vehicle is off, unless you were routinely drawing the battery very low or killing it (which would be very unlikely even at max 15w draw of that charger) it shouldn't have affected battery life. If the car was running it should never have hit the battery at all.

    edit to add: for comparison your starter motor probably draws hundreds of amps when you start your car (run continuously those motors are probably around 1kw) and that's pure battery. Granted much shorter period but its disingenuous for the dealer to be concerned about your 15w draw (only while a device is connected and needing full speed charging) vs 1kw plus of starter motor draw. It doesn't add up.

    edit to add more: you should ask them if they are concerned about the likely 50w+ car stereo (although I won't go into all the ways that car stereo power is mis-rated) installed by the factory
  9. RevTEG macrumors 6502a


    Oct 28, 2012
    San Jose, Ca
    I’m certainly not a battery expert but if you drive your car on a regular basis then you shouldn’t have any issues. The alternator recharged the car battery really fast. If driven regularly then the car charger shouldn’t have enough time to negatively harm your battery.

    I once had a car charger that had a little green light that would stay on to show it was getting power. I worked out of the country for four months and it ran my battery down. A simple jump and short drive got the battery back up to normally. That wouldn’t have been an issue if I had been driving my vehicle.
  10. djbuddha macrumors 6502


    Aug 7, 2011
    Not safely anyway :confused:
  11. iPrabhu macrumors member

    Sep 25, 2012
    Am I the one noticing the promo pic (3rd one) showing a Macbook is being charged with an USB-to-lighting cable?
  12. sonamo macrumors member


    Jan 23, 2014
    Pretty sure that the USB-C port on the charger is going to the USB-C port on the laptop, and the USB Type A port on the charger is going to the lightning port on the phone. This is totally viable considering the ports on the charger and the braided cable they are selling.
  13. Return Zero macrumors 6502a

    Return Zero

    Oct 2, 2013
    The amperage has nothing to do with the plastic and everything to do with conductor size. If this thing has internal wires/buses of proper size and material, 6 amps won't cause a significant temperature rise. I regularly work with conductors about the same diameter as my little finger that carry over 12,000 volts at over 150 amps yet remain within 5 degrees of ambient temperature.
  14. LogicalApex macrumors 6502

    Nov 13, 2015
    Why so? As long as you're within the wattage limits in the car manual I don't see what harm could be caused by a 60W draw.

    I have a very nice inverter that I use now to routinely keep my MBP charged while driving around and it works flawlessly. And since I'm using the MBP wall charger it can draw up to 87W.

    I'll keep this in mind though as I might be tempted to try it out just to save space.
  15. HappyIntro macrumors regular


    Apr 30, 2016
    Wow, that is really impressive. Is the conductor copper, or something else?
  16. LumbermanSVO macrumors 65816

    Mar 15, 2007
    Denton, TX
    Talk of a phone charger harming your car is just silly. The typical cigarette lighter plug has a 30 or 40 amp fuse on it. If you do the math and lowball it at only 12 volts, you get this: 12v • 30a = 360 watts. Your phone charger isn't anywhere close to that, you have absolutely nothing to worry about.
  17. markaceto macrumors regular


    Jun 8, 2017
    What in the world are you working with that's over 480V but only 150A?
    --- Post Merged, Aug 8, 2019 ---
    6A? That's a jigsaw!!! There's not a chance in hell this thing works as advertised.
  18. pjny macrumors 6502a

    Feb 18, 2010
    I have the Anker 42w cig charger

    It seems to charge my 2019 Macbook 13" and keeps it topped up at 100%. I did notice that when I used my inverter and 60w macbook ac charger the tip of the inverter plug that attached to cig lighter was really hot. I think that the inverter is probably worse for battery since it converters dc to ac charger to dc whereas usb c just skips the middle part.

    is charging at lower amp bad for laptop?

    anker specs:

    Input: 12V / 24V==5A;

    USB C Output: 5V==3A / 9V==3A / 15V==2A / 20V==1.5A;

    USB A Output: 5V==2.4A Max;
  19. x-evil-x macrumors 601


    Jul 13, 2008
    I wonder how hot thing things makes the wiring around it.
    i like the cable I might pick it up for the Apple usb c chargers
  20. Return Zero macrumors 6502a

    Return Zero

    Oct 2, 2013
    Yep, just regular stranded copper, insulated and shielded. In our case it's what's considered "medium voltage" cabling, used in underground distribution.
    --- Post Merged, Aug 9, 2019 ---
    It's "medium voltage" power distribution. Most of our circuits carry well under 100A but can power many large buildings with that amount. At 12kV 3-phase, 100A is a ton of power.
  21. Artric76 macrumors newbie


    Jan 11, 2018
    It would be a lot more efficient as well... You wouldn't be going from DC current in your car to AC from the inverter just to be changed back to DC in your power brick.
  22. firestarter macrumors 603


    Dec 31, 2002
    Green and pleasant land
    > The company said that with Power Delivery technology and USB-C, the 72W Car Charger supports quick charging of modern iPhones.

    Just a reminder that iPhones don't charge at a rate grater than 18W

    iPads max out at 35-45W

    So it's a nice device if you've got a laptop, but OTT for phones.
  23. markaceto macrumors regular


    Jun 8, 2017
    Yeah it is!

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