First time: M4 or M5

Mirai said:
In South Africa, you will find cheaper brands and unbranded chargers. I would stay away from those for sensitive electronics like Macbooks, something you want to keep for 3-5 years as the guy said. If you want a stable power supply without ripples/fluctuations in current and which delivers the power, unless you can test this yourself with an oscilloscope, you would want to buy a better charger.

Apple doesn't design their machines to be infinitely fault tolerant, nobody does.
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I don't actually know what you're arguing about anymore TBH. Everyone has a cellphone charger lying around, that was my point. Then you posted something about £10 Chinese laptop chargers that can kill us when we're talking about USB-C adapters. Then for some reason you're trying to buy favour with @bwana because the link he posted is from a very reputable company, more reputable than actual cellphone manufacturers apparently. This is all very confusing, I'm not sure if all Apple people are like this...
 
Mike Hoxbig said:
I don't actually know what you're arguing about anymore TBH. Everyone has a cellphone charger lying around, that was my point. Then you posted something about £10 Chinese laptop chargers that can kill us when we're talking about USB-C adapters. Then for some reason you're trying to buy favour with @bwana because the link he posted is from a very reputable company, more reputable than actual cellphone manufacturers apparently. This is all very confusing, I'm not sure if all Apple people are like this...
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So you didn't follow anything here. Then don't respond. Cheers.
 
Mirai said:
You're stressing your MBA's capacitors which can lead to premature failure and of course mains power can fluctuate too, so just because it works ok on that day doesn't mean it will work when ESKOM sh-ts itself. A cheap charger will pass more of that on. Also with ripple current the device will have to top up from batteries and that causes also degradation of batteries.

In life everything is a risk. You can get away with many things but if you're buying a device for R24K and you want to keep it for ages, cheapening out on a no name brand charger especially in SA where any kind of kuk can get imported, makes little sense.

Bwana already posted an excellent charger, 70W from a very reputable company.

Branded chargers also have additional safety features such as proper mains isolation.
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Have you ever designed anything with capacitors in it before?
 
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