New Mac. One less reason for an inverter - Escape Trailer Owners Community

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Old 10-31-2018, 03:43 PM   #1
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New Mac. One less reason for an inverter

The new Macbook Air that Apple just announced now has a separate power brick and cord. The brick's output is 30 watt USB-C. Now all you need is a 12 volt adapter with
at least 30w USB-C output and you can skip the inverter and brick. Something like this.

Voila! No more DC -> AC -> DC.
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Old 10-31-2018, 03:50 PM   #2
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I have a 12V charging cord for my 2012 MacBook Air. Wasn't cheap, but it works.
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File Type: jpg Mac Air 12V.jpg (168.7 KB, 27 views)
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Old 10-31-2018, 05:52 PM   #3
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I have a 12V charging cord for my 2012 MacBook Air. Wasn't cheap, but it works.
Do they call that adapter an Airdo?
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Old 10-31-2018, 06:52 PM   #4
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I also have 12V adapters for our 2015 macboook pro and chromebook. The TV is 12 V. The wifi amp is 12 V. The phones use the trailer's usb ports. Vacuum cleaner runs on drill battery. Only thing left to run off 120V is the coffee grinder. I have a 200 watt inverter for it.
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Old 10-31-2018, 07:48 PM   #5
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Nice. I have a 12V adapter to charge an older Macbook Pro, but it's total junk. If I'm actually using it heavily, like gaming, it can't keep up and gets ominously hot. The whole adapter's built into the plug and hanging off, so it tends to pull itself loose as well. Being able to use standard-ish USB-C PD means it should be easier to find something decent-quality.
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Old 10-31-2018, 11:21 PM   #6
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I have a 12V charging cord for my 2012 MacBook Air. Wasn't cheap, but it works.
Wow. With a MagSafe connector and everything.

Another benefit of the two piece system is that the wires inevitably fail at one of the ends. Now I donít have to buy a whole new charger. Just a new cable.
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Old 10-31-2018, 11:49 PM   #7
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I have a 12V charging cord for my 2012 MacBook Air. Wasn't cheap, but it works.
I have a 12V charger for my Mac laptop as well. I don't quite trust it, though-- it runs really hot when charging so I don't leave the laptop plugged into it when I'm asleep or not in the trailer. I wonder why Apple never made 12V chargers for their laptops.
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Old 11-01-2018, 12:01 AM   #8
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I wonder why Apple never made 12V chargers for their laptops.
Few if any computer manufacturers make 12 V DC input power supplies for their laptops - they're usually aftermarket accessories. I don't know why.

Apple did have a 12 V power cord for some earlier laptops, but they were just cords with connectors - those laptops were expected to run on the 12 volts or so that they would get from a car (or aircraft power-at-the-seat), and they sort of barely did.
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Old 11-01-2018, 12:44 AM   #9
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This thread reminds me that if I decide to replace this six-year-old Mac Air, i should pay attention to compatibility with accessories ( like a charger ) that I already have. I'm not expecting to win.
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Old 11-01-2018, 01:09 AM   #10
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This thread reminds me that if I decide to replace this six-year-old Mac Air, i should pay attention to compatibility with accessories ( like a charger ) that I already have. I'm not expecting to win.
Good - keep your expectations low, and budget either to buy all-new everything, or to use a bunch of adapters.
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