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26 votes
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USB-C to MagSafe 2 Adapter

You don't want to mix those two. Why? Because the USB-C port conforms to the USB 3.1 Power Delivery Specification whereas the Magsafe charger does not. Part of that specification includes the ...
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21 votes
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How to reset a magsafe charger that doesn't charge macbook pro's battery?

Sounds like you got a sticking ground pin. Just plug it out when connecting to the laptop horizontally (with more force) and stick it back it horizontally as well. Usually this is due to you removing ...
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18 votes

USB-C to MagSafe 2 Adapter

The ElecJet Anywatt One fills this need, for the purpose of powering a USB-C device from a MagSafe power supply. From the product page: Anywatt built-in self-developed LDR6032 smart chip supports ...
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13 votes

How to make MagSafe2 charger stronger

You can turn it into an approximation of an L or even a U by the simple expedient of tying a knot in it. This is my standard way of dealing with any awkward cable. It's not perfect, but boy, it's ...
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  • 100k
12 votes

Converter between MagSafe 1/2 and MagSafe 3

MagSafe 3 is USB-C power delivery with a pin layout change and it is not compatible with older computers or adapters. MagSafe 1/2 is a totally different voltage and power signaling specification. ...
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11 votes
Accepted

What voltage readings should I get from my 60 watt Magsafe?

A good description can be found at Teardown and exploration of Apple's Magsafe connector Below is taken verbatim from the above link. The charger startup process When the Magsafe connector is ...
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8 votes

What would happen if I use a power supply with a different wattage than the system is designed for?

I am surprised that no one has noticed the attempt to power a device who's stated power requirements is "14.5 Volts DC at 3.05 Amperes" (The MacBook Air) with a 20 Volts (!!) DC 85 Watts power adapter....
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8 votes

How can I clean a MagSafe power port on my MacBook Air

Here's the solution I used to clean out metal fragments in my connector socket: Use Blu-Tack or Sticky Tack! This cleans out the connector socket almost immediately and it took less than a penny's ...
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8 votes
Accepted

Are Macbook Pros with a rusted / corroded MagSafe port safe to operate?

The iron / ferric portions of the MagSafe port is something that will corrode when exposed to oxygen. The quality of your pictures is excellent and all are operationally normal and safe since the 5 ...
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  • 220k
7 votes
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How to make MagSafe2 charger stronger

There is a product that also can help with this. http://www.snuglet.com It works by using a tiny machined piece of metal inside of the port on the computer to strengthen the connection of the ...
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  • 261
7 votes
Accepted

How many types of MagSafe are there?

According to Apple, there are three generations and four types of MagSafe adapters: MagSafe "T" Style (2006) "L" Styles (2008, 2010) MagSafe 2 (2012) MagSafe 3 (2021) The "...
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  • 82.2k
7 votes

USB-C to MagSafe 2 Adapter

You can buy adapters (dongle) that converts USC-C PD signals to Magsafe1 and 2 (and in fact to any needed voltage to any old laptop). There also the inverse adapters that converts from a Magsafe 1 or ...
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6 votes

Converter between MagSafe 1/2 and MagSafe 3

The Apple MagSafe support document mentions the MagSafe to MagSafe 2 converter: If your Mac uses MagSafe 2, you can charge your Mac with a MagSafe 2 power adapter or a MagSafe power adapter connected ...
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  • 6,150
5 votes

MacBook 2007 charger

The adapter that you should get is the 60W Magsafe with "T" Connector. From Apple's Support site: That said, I would get an Apple 85W adapter instead of the 60W. You will have more versatility if ...
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5 votes

USB-C to MagSafe 2 Adapter

Electrically, it is possible to go from either direction, it just requires a computer (microprocessor, etc) in between to do the USB-C PD negotiation. As people have noted, there are plenty of ...
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  • 151
4 votes

How can I clean a MagSafe power port on my MacBook Air

Once I got small pieces of iron stuck in the port - none of the magnets we had were stronger than the one in the port. We couldn't flick them out with a clean paintbrush and the hole was too small to ...
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4 votes

Can't power on without SMC reset whilst holding power

Historically, Macs have been known to have various issues - including not starting up - when the PRAM battery has died. Later MacBooks (including yours AFAIK) use the main battery for PRAM and SMC ...
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4 votes

How can I clean a MagSafe power port on my MacBook Air

I used chewing gum to get the metal pieces out. That was the only resource I had at hand at the time, and it worked like magic!
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  • 41
4 votes

How to make MagSafe2 charger stronger

There are three axes to consider when measuring the force needed to separate a MagSafe 2. There are two great articles that cover the basics: http://www.macworld.com/article/2895694/will-your-new-...
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  • 220k
4 votes
Accepted

Is there any danger to my devices in testing possibly-bad cables?

Yes - lightning carries decent amount of power. Crossed wires could short out a device. MagSafe - worse - more power, less room for error. The only upside there is the MagSafe in side of things is a ...
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  • 220k
4 votes
Accepted

How safe is it to replace the magsafe 2 connector with another one by simply connecting the wires?

This is the low voltage side of the transformer, so the risk is far less than working on the AC side. I haven’t heard of anything worse than scorch marks and safely melted plastic on the low voltage ...
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  • 220k
4 votes

How safe is it to replace the magsafe 2 connector with another one by simply connecting the wires?

It actually worked! For reference, here is the process: Remove the plastic coating on the connector cable and the plastic coating on the inner cable: Mesh the small hairlike wires of the inner ...
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4 votes

What's the best way to wind a MagSafe 2 around the clip and power brick to make it easier to transport?

I realize your post states you're completely blind, but I had to add pictures to make it absolutely clear to a sighted helper what I'm attempting to describe to you. My answer may also help others ...
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  • 17.8k
4 votes
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How to fix/clean burnt MagSafe 2 connection

Yes, those are definitely burnt and this is because the sand allowed a gap just large enough that the electrical current arced from the adapter to DC-In port. You can't clean this with alcohol - that'...
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  • 82.2k
4 votes
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How to cope with MagSafe "withdrawal"?

Apple is ready to take your money again for MagSafe and portables. USB-C to MagSafe 3 Cable (2 m) Apple solution is far better than the aftermarket ones I’ve seen in the 20 to 50 range from Amazon ...
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  • 220k
4 votes

MacBook Air 2015 MagSafe charger is too hot to touch

Also this may be caused by (or exacerbated by) dirty contacts. Clean the pins on the power cable, and the macbook with alcohol. It can't hurt, and it might help. The heating is because of a weakened ...
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3 votes

MacBook Pro stopped working, won't turn on, MagSafe adapter blinking green

I took it to the lab, there they unplugged the battery and plugged it back. That solved the problem.
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  • 151
3 votes

Is it possible to buy a legal third-party MacBook (Pro) charger?

I have long-term professional expertise regarding electrical safety. Legal power supplies have extensive and expensive certification and testing and manufacturing controls to ensure the user's safety. ...
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  • 31
3 votes
Accepted

Is using Apple products abroad as simple as just replacing the plug on the AC adapter?

Apple sells a "world traveler kit" which is effectively the plug bit for their chargers, so that would be a definite yes.
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  • 297
3 votes

Shocking? - MacBook stubby earthed charger UK

This is so commonly misunderstood that I shall attempt to provide a short précis, then link to a good explanation which is not overly-technical. Common misconception - earthing/grounding Most small ...
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  • 100k

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