Because maybe you want a second laptop charger or one that is smaller.
It is because buying this means not rewarding Apple for no longer giving you a charger.
The 20W charger works on fine on my MacBook for passive charging when not being used.
Belkin today announced the launch of the Boost Charge Pro USB-C GaN Wall Charger 60W, which it says is the smallest GaN 60W solution on the market.
The new USB-C Boost Charge Pro 60W charger joins Belkin's lineup of other gallium nitride (GaN) power adapter options. GaN technology has become widespread over the last few years and allows for much smaller power adapters that take up less space than the standard silicon power adapters.
According to Belkin, the Boost Charge Pro 60W is 53 percent smaller than standard 60W laptop chargers and is able to work with USB-C Apple devices including MacBook Pro, MacBook Air, and iPad Pro. It can also fast charge an iPhone (including the new iPhone 12 models) when paired with a USB-C to Lightning cable.
The compact Boost Charge Pro 60W is equipped with overcurrent and overvoltage protection to keep devices safe while charging.
Belkin is selling the Boost Charge Pro USB-C PD GaN Wall Charger 60W for $50, and it can be ordered from the Belkin website.
Article Link: Belkin Debuts Compact 'Boost Charge Pro' 60W GaN USB-C Power Adapter
It won't. It doesn't make any difference.
www.macrumors.com
I’m so surprised about how advancements have shrunk these adapters...
It won't. It doesn't make any difference.
I'm going to assume you're talking about an iPhone here. All iPhones since I believe the 8 can charge at up to 18W. If you plug them into a 20W charger, they will charge at 18W. If you plug them into a 60W charger, they will charge at 18W. If you plug them into a 100W 16" MacBook Pro charger, they will charge at 18W. In any modern device, the device sets the charge speed, the charger only limits it if it can't meet the maximum the device can draw.
Or phrased differently, the max charge rate of any modern device will be the lesser of the device's max charge rate or the charger's max output. Here's a real-world test from a few years back showing that there is exactly zero difference in iPhone charge speed between an 18W, 29W, 30W, and 87W charger:
iPhone X Charging Speeds Compared: The Fastest and Easiest Ways to Charge Your iPhone
With the addition of both fast charging and wireless charging to Apple's 2017 iPhone lineup, there are more ways than ever to charge your iPhone....
That said, heat is the enemy of batteries, and charging at 18W will definitely generate more heat in the battery than charging at 12W, which will generate more heat than charging at 5W. So if you're not in a hurry, and want to absolutely maximize the longevity of your battery, using a charger smaller than 18W will make at least a slight difference in the long run.
As for this particular charger, it gets you nothing over a 20W charger on an iPhone, but it does let you charge a 13" MBP or a MBA, which a 20W charger won't do.
