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Mac notebook computers come with a USB-C power adapter and charge cable. You can learn which power adapter and cable come with your Mac notebook computer, and find troubleshooting tips below. If you're having an issue with a non-Apple power adapter, try using the Apple power adapter and cable that came with your Mac notebook instead.
If your Mac notebook with USB-C doesn't charge
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If your USB-C power adapter isn't charging your MacBook, MacBook Air, or MacBook Pro, first try unplugging the power adapter from the power outlet, waiting a few seconds, and plugging it back in. If that doesn't help, check these things.
Check power
Make sure the USB-C power adapter that came with your Mac notebook is connected to a known working power outlet. Try plugging in a lamp or other appliance to make sure the outlet has power. If you've plugged the power adapter into a power strip, try plugging it directly into the wall outlet.
If the power adapter shuts off, interference might be affecting the power outlet you're using. If your power adapter works for a while, but then stops charging, temporarily unplug it from the power outlet. Wait 30 seconds, then plug the power adapter back in.
If your Mac notebook starts charging after you plug the power adapter back in, this might indicate an issue with line noise (disruption caused by stray electromagnetic signals) from your power outlet. The power adapter automatically shuts off when its built-in voltage protection feature senses line noise from an outlet.
Some possible sources of line noise include lights with ballasts, refrigerators, or mini-refrigerators that are on the same electrical circuit as the outlet you're using. Plugging the power adapter into an uninterruptible power supply (UPS) or an outlet that's on a different circuit can help.
If your power adapter continues to turn itself off when connected to a known good outlet, take your adapter to an Apple Authorized Service Provider or Apple Retail Store for further evaluation.
Your power adapter comes with a removable AC plug that has the blades you insert into an electrical outlet. If your Mac notebook doesn't charge when using the AC plug with the power adapter, try it with another Apple AC plug, or try using an Apple Power Adapter Extension Cable (sold separately).
Check cabling
Your Mac notebook comes with a USB-C cable that charges the computer. You can find out if this cable is causing your charging issue by trying another USB-C cable. Remember, not all USB-C cables can charge your MacBook, MacBook Air, or MacBook Pro, so make sure the cable you try is designed for charging.
If your Mac notebook charges with one USB-C cable but not another, immediately stop using the cable that doesn't work and get your cable and power supply evaluated.
If your Mac notebook begins charging only when you wiggle or move the USB-C cable or Apple Power Adapter Extension Cable (sold separately), immediately stop using the cable and get your cable and power supply evaluated.
Check for updates
In some cases, software or firmware updates might be available for your computer that improve communication with your power adapter. If your MacBook, MacBook Air, or MacBook Pro with USB-C isn't charging as expected, check for software updates on your Mac.
If the adapter gets warm
The USB-C power adapter can become warm during normal use, so be sure to use it in a well ventilated area. Always plug the power adapter directly into a power outlet using the AC plug, or place it on a table or other well ventilated area when using the Power Adapter Extension Cable (sold separately).
Avoid placing your adapter in a poorly ventilated area, like on a couch, thick carpeting, bedding, or a pillow. Avoid covering the adapter with a blanket or other insulation.
The power adapter might turn itself off if it gets too warm. If this happens, disconnect the USB-C cable from your Mac notebook, then let the power adapter cool down before handling it.
If you see a spark
When you plug in the USB-C power adapter, it might spark where the blades of the plug enter the outlet. This is generally normal and can happen when you plug any electrical appliance into a power outlet.
If you see any of the following when you plug in your adapter, or if you have other concerns about sparking, you should contact Apple:
- Contact Apple if a spark comes from somewhere other than the blades of the plug.
- Contact Apple if you see any damage or discoloration on the adapter.
Get your Mac notebook and power supply evaluated
Whether your Mac notebook with USB-C is in or out of warranty, you can bring it to an Apple Authorized Service Provider or Apple Retail Store for evaluation. Be sure to bring your Mac, your USB-C power adapter, and any USB-C cables you use for charging.
Power adapters for Mac notebooks are available in 29W, 30W, 45W, 60W, 61W, 85W, 87W, and 96W varieties. You should use the appropriate wattage power adapter for your Mac notebook. You can use a compatible higher wattage power adapter without issue, but it won't make your computer charge faster or operate differently. If you use a power adapter that is lower in wattage than the adapter that came with your Mac, it won't provide enough power to your computer.
Mac notebooks that charge via USB-C come with an Apple USB-C Power Adapter with detachable AC plug (or 'duckhead'), and a USB-C Charge Cable.
Mac notebooks that charge via MagSafe come with an AC adapter with MagSafe connector and detachable AC plug, and an AC cable.
The images below show the style of adapter that comes with each MacBook, MacBook Pro, and MacBook Air. If you're not sure which model Mac you have, use these articles:
USB-C
Apple 29W or 30W USB-C Power Adapter and USB-C Charge Cable
- MacBook models introduced in 2015 or later
Apple 30W USB-C Power Adapter and USB-C Charge Cable
- MacBook Air models introduced in 2018 or later
Apple 61W USB-C Power Adapter and USB-C Charge Cable
- 13-inch MacBook Pro models introduced in 2016 or later
Apple 87W USB-C Power Adapter and USB-C Charge Cable
Charger For Apple Mac
- 15-inch MacBook Pro models introduced in 2016 or later
Apple 96W USB-C Power Adapter and USB-C Charge Cable
- 16-inch MacBook Pro models introduced in 2019
Make sure you're using the correct USB-C charge cable
For the best charging experience, you should use the USB-C charge cable that comes with your Mac notebook. If you use a higher wattage USB-C cable, your Mac will still charge normally. USB-C cables rated for 29W or 30W will work with any USB-C power adapter, but won't provide enough power when connected to a power adapter that is more than 61W, such as the 96W USB-C Power Adapter.
You can verify that you're using the correct version of the Apple USB-C Charge Cable with your Mac notebook and its USB-C AC Adapter. The cable's serial number is printed on its external housing, next to the words 'Designed by Apple in California. Assembled in China.'
- If the first three characters of the serial number are C4M or FL4, the cable is for use with an Apple USB-C Power Adapter up to 61W.
- If the first three characters of the serial number are DLC, CTC, FTL, or G0J, the cable is for use with an Apple USB-C Power Adapter up to 100W.
- If the cable says 'Designed by Apple in California. Assembled in China' but has no serial number, you might be eligible for a replacement USB-C charge cable.
MagSafe 2
85W MagSafe power adapter with MagSafe 2 style connector
- 15-inch MacBook Pro models introduced in 2012 through 2015
60W MagSafe power adapter with MagSafe 2 style connector
- 13-inch MacBook Pro models introduced in 2012 through 2015
45W MagSafe power adapter with MagSafe 2 style connector
- MacBook Air models introduced in 2012 through 2017
About the MagSafe to MagSafe 2 Converter
If you have an older MagSafe adapter, you can use it with newer Mac computers that have MagSafe 2 ports using a MagSafe to MagSafe 2 Converter (shown).
MagSafe 'L' and 'T' shaped adapters
60W MagSafe power adapter with 'T' style connector
- 13-inch MacBook Pro models introduced in 2009
- MacBook models introduced in 2006 through mid 2009
60W MagSafe power adapter with 'L' style connector
- 13-inch MacBook Pro models introduced in 2010 through 2012
- MacBook models introduced in late 2009 through 2010
85W MagSafe power adapter with 'T' style connector
- 15-inch MacBook Pro models introduced in 2006 through 2009
- 17-inch MacBook Pro models introduced in 2006 through 2009
85W MagSafe power adapter with 'L' style connector
- 15-inch MacBook Pro models introduced in 2010 through 2012
- 17-inch MacBook Pro models introduced in 2010 through 2011
45W MagSafe power adapter with 'L' style connector
- 13-inch MacBook Air models introduced in 2008 through 2011*
- 11-inch MacBook Air models introduced in 2010 through 2011
* Adapters that shipped with the MacBook Air (Original), MacBook Air (Late 2008), and MacBook Air (Mid 2009) are not recommended for use with MacBook Air (Late 2010) models. When possible, use your computer's original adapter or a newer adapter.
Learn more
Charger For Apple Mac Pro
You can get extra or replacement adapters with AC cord and plug at the Apple Online Store, an Apple Reseller, or an Apple Store.
A replacement adapter might not be the same size, color, shape, or wattage as the original adapter that came with your computer. But it should power and charge your Mac like the adapter that originally came with your computer.
Apple Charger Cord
If you need help using your MagSafe adapter, see Apple Portables: Troubleshooting power adapters.
Apple Macbook Pro Charger
If you're looking for a PowerPC-based power adapter, see PowerPC-based Apple Portables: Identifying the right power adapter and power cord.