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MagSafe
MagSafe is a series of proprietary magnetically attached power connectors developed by Apple Inc. for its MacBook (Air and Pro) family of laptops.
The MagSafe power connector was introduced on 10 January 2006, in conjunction with the MacBook Pro, the first Intel-based Mac laptop, at the Macworld Expo. A MagSafe connector is held in place magnetically so that if it is tugged (for example, by someone tripping over the cable), it will be pulled out of the port without damaging the connector or the port, and without pulling the computer off its surface. A thinner and wider version, called MagSafe 2, was introduced in 2012. It was discontinued across Apple's product lines between 2016 and 2019 and replaced with USB-C and USB Power Delivery charging. MagSafe returned to Mac laptops with the introduction of updated MacBook Pro models with MagSafe 3 in 2021.
The basic concept of MagSafe is derived from the magnetic power connectors that are part of many deep fryers and Japanese countertop cooking appliances since the early 2000s in order to avoid spilling their dangerously hot contents.[failed verification] MagSafe was introduced on January 10, 2006 in the first-generation MacBook Pro. Apple was granted US Patent No. 7311526 for MagSafe ("Magnetic connector for electronic device", issued in 2007) as MagSafe was deemed to be a sufficient improvement due to the connector being symmetrical and reversible, and the fact that magnets within a connector are arranged in opposing polarities for improved coupling strength.
Apple phased out the original MagSafe and MagSafe 2 with the release of the 12-inch MacBook and the 2016 MacBook Pro which both used only USB-C for charging. The 2017 MacBook Air, the last Mac laptop with MagSafe before 2021, was discontinued on July 9, 2019.
The MagSafe connector returned in 2021 as "MagSafe 3" with the introduction of updated 14-inch and 16-inch MacBook Pro models.
Apple also uses the MagSafe name for a wireless power transfer and accessory-attachment feature for the iPhone based on the Qi standard. MagSafe was introduced with the iPhone 12 and 12 Pro.
The first generation MagSafe (also referred to as MagSafe 1 after the introduction of MagSafe 2) has connector pins that are designed so the rectangular connector can be inserted in either orientation. Originally the connector was T-shaped, with the cable directed straight out; later it became L-shaped, with the cable directed along the side of the computer, but still capable of being inserted in either orientation, unless simultaneous use of neighboring ports such as USB required directing the cable toward the rear. LEDs on both the top and bottom of the connector show green if the computer battery is fully charged and amber or red if the battery is charging. MagSafe can be found on the MacBook (2006–2011), MacBook Pro (2006 through mid-2012, non-Retina) and MacBook Air (2008–2011) notebook computers. The Apple LED Cinema Display and Thunderbolt Display include built-in MagSafe chargers.
The MacBook and the 13-inch MacBook Pro use a 60 W MagSafe charger, whereas the 15- and 17-inch MacBook Pro use an 85 W version. The MacBook Air used a lower-powered 45 W version. According to Apple, an adapter with a higher wattage than that originally provided may be used without problems.
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MagSafe
MagSafe is a series of proprietary magnetically attached power connectors developed by Apple Inc. for its MacBook (Air and Pro) family of laptops.
The MagSafe power connector was introduced on 10 January 2006, in conjunction with the MacBook Pro, the first Intel-based Mac laptop, at the Macworld Expo. A MagSafe connector is held in place magnetically so that if it is tugged (for example, by someone tripping over the cable), it will be pulled out of the port without damaging the connector or the port, and without pulling the computer off its surface. A thinner and wider version, called MagSafe 2, was introduced in 2012. It was discontinued across Apple's product lines between 2016 and 2019 and replaced with USB-C and USB Power Delivery charging. MagSafe returned to Mac laptops with the introduction of updated MacBook Pro models with MagSafe 3 in 2021.
The basic concept of MagSafe is derived from the magnetic power connectors that are part of many deep fryers and Japanese countertop cooking appliances since the early 2000s in order to avoid spilling their dangerously hot contents.[failed verification] MagSafe was introduced on January 10, 2006 in the first-generation MacBook Pro. Apple was granted US Patent No. 7311526 for MagSafe ("Magnetic connector for electronic device", issued in 2007) as MagSafe was deemed to be a sufficient improvement due to the connector being symmetrical and reversible, and the fact that magnets within a connector are arranged in opposing polarities for improved coupling strength.
Apple phased out the original MagSafe and MagSafe 2 with the release of the 12-inch MacBook and the 2016 MacBook Pro which both used only USB-C for charging. The 2017 MacBook Air, the last Mac laptop with MagSafe before 2021, was discontinued on July 9, 2019.
The MagSafe connector returned in 2021 as "MagSafe 3" with the introduction of updated 14-inch and 16-inch MacBook Pro models.
Apple also uses the MagSafe name for a wireless power transfer and accessory-attachment feature for the iPhone based on the Qi standard. MagSafe was introduced with the iPhone 12 and 12 Pro.
The first generation MagSafe (also referred to as MagSafe 1 after the introduction of MagSafe 2) has connector pins that are designed so the rectangular connector can be inserted in either orientation. Originally the connector was T-shaped, with the cable directed straight out; later it became L-shaped, with the cable directed along the side of the computer, but still capable of being inserted in either orientation, unless simultaneous use of neighboring ports such as USB required directing the cable toward the rear. LEDs on both the top and bottom of the connector show green if the computer battery is fully charged and amber or red if the battery is charging. MagSafe can be found on the MacBook (2006–2011), MacBook Pro (2006 through mid-2012, non-Retina) and MacBook Air (2008–2011) notebook computers. The Apple LED Cinema Display and Thunderbolt Display include built-in MagSafe chargers.
The MacBook and the 13-inch MacBook Pro use a 60 W MagSafe charger, whereas the 15- and 17-inch MacBook Pro use an 85 W version. The MacBook Air used a lower-powered 45 W version. According to Apple, an adapter with a higher wattage than that originally provided may be used without problems.