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Apple 30W and original 29W USB-C power adapter comparison evaluation

411 views Yuda Electronic (HK) Technology Co.,Limited. 2018-07-19

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Apple’s official website page says that the Apple 30W USB‐C charger allows you to charge quickly, whether at home, in the office or on the road. This power adapter is compatible with any device that supports USB‐C, but for the best charging performance, Apple recommends using it with a 12-inch MacBook. You can also use it with the iPhone 8, iPhone 8 Plus, iPhone X or iPad Pro models to take advantage of the fast charging feature. The USB‐C to lightning cable must be purchased separately.

 

Compatible with the following computers: 12-inch MacBook. At the same time, it is also compatible with all iPhone and iPad devices that support USB PD fast charging. The iPhone models include iPhone X, iPhone 8, and iPhone 8 Plus. iPad models include iPad Pro 12.9 inches, iPad Pro 12.9 inches, and iPad Pro 10.5 inches. 

 

First, Apple’s new 30W USB-C power adapter parameters

 

For the new 30W adapter, the specifications are 5V3A, 9V3A, 15V2A, 20V1.5A. Apple’s original 29W, 61W, 87W adapters only have two or three specifications: 29W adapter output is 5.2V2.4A, 14.5V2.0A, 61W adapter output is 20.3V3A, 9V3A, 5.2V2.4A, 87W adapter The output is 20.2V4.3A, 9V3A, 5.2V2.4A. Therefore, the new 30W adapter is the most comprehensive charger in Apple’s history.

 

Apple's new 30W USB-C power adapter

 

Second, Apple’s new 30W and the original 29W power adapter appearance comparison

 

The dimensions are identical and the shape is slightly different. The main differences are: housing, interface, AC plug. The voltage specification is the biggest difference: 30W specifications are 5V3A, 9V3A, 15V2A, 20V1.5A, with 4 specifications, which is by far the most complete charger for Apple. The specification of 29W is 5.2V2.4A and 14.5V2.0A, and there are only two specifications.

 

Third, Apple’s new 30W and the original 29W USB-C power adapter comparison evaluation

 

For the new 30W adapter, the ChargerLab POWER-Z KT001 portable tester was used for USB PD detection and found to support four specifications: 5V3A, 9V3A, 15V2A, 20V1.5A, which are identical to the parameters marked on the manual.

 

For the original 29W adapter, use the ChargerLab POWER-Z KT001 portable tester for USB PD detection, which only supports 2 specifications: 5V2.4A, 14.8V2A.

 

The 30W adapter tests the 13-inch MacBook Pro (2017 model) and uses the ChargerLab POWER-Z KM001C portable tester for detection. The charging power is 28.08W (20.02V/1.40A) and supports USB PD fast charging.

 

The 29W adapter tests the 13-inch MacBook Pro (2017 model) and uses the ChargerLab POWER-Z KM001C portable tester for detection. The charging power is 27.97W (14.73V/1.90A) and supports USB PD fast charging.

 

The 30W adapter tests the iPhone 8 Plus and uses the ChargerLab POWER-Z KM001C portable tester for detection. The charging power is 13.41W (8.98V/1.49A) and supports USB PD fast charging.

 

The 29W adapter tests the iPhone 8 Plus and uses the ChargerLab POWER-Z KM001C portable tester for charging. The charging power is 13.46W (14.76V/0.91A) and supports USB PD fast charging.

 

Apple's new 30W USB-C power adapter

 

Fourth, summary:

 

Apple’s original 29W USB PD adapter was first launched in 2015 and has a limited scope of application. After three years of development, USB PD fast charging has grown rapidly and formed a complete specification system. It can be seen that the 9V, 15V and 20V of the new 30W adapter are completely normal USB PD specifications. In addition, the new iPhone, which will be released in September this year, comes standard with an 18W adapter.

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