Yes, If you have a MacBook Pro or MacBook Air with a USB-C port, then a 20W charger can technically charge it. However, the charging speed will likely be slower than if you were using a higher wattage charger that is recommended for the MacBook Pro.
For example, the MacBook Pro with M1 chip requires a 30W or 61W USB-C power adapter, while the Intel-based MacBook Pro models typically require a 61W, 87W, or 96W USB-C power adapter, depending on the specific model.
If you’re using a 20W charger with a MacBook Pro or Macbook Air that requires a higher wattage charger, then you may experience slower charging times, and the battery may not charge as efficiently.
To ensure the safety and longevity of your MacBook , it’s always best to use the power adapter that is specifically designed for your device.
Different Watt Chargers that can Charge a Macbook
Apple offers a range of chargers with different wattage options to charge MacBook models that feature a USB-C port. The wattage of the charger needed will depend on the specific MacBook model and its power requirements.
Here are the different wattage options available for USB-C power adapters created by the Apple:
- 30W USB-C Power Adapter: This charger is given with the MacBook Air (late 2018 and newer) and the 13-inch MacBook Pro (2016 and 2017).
- 61W USB-C Power Adapter: This charger is givenwith the MacBook Air (2018 and newer) and the 13-inch MacBook Pro (2016 and newer).
- 87W USB-C Power Adapter: This charger is given with the 15-inch MacBook Pro (2016 and newer) and the 16-inch MacBook Pro.
- 96W USB-C Power Adapter: This charger is given with the 16-inch MacBook Pro.
Now these all chargers can charge any MacBook slower or faster depending on the charger and MacBook type. It’s important to note that using a charger with a lower wattage than what is recommended for your MacBook may result in slower charging times.
Benefits Of A 20w Charger for Macbook
While a 20W charger is not recommended for charging a MacBook Pro or Macbook Air, one potential benefit of a charger with lower wattage is portability. A 20W charger is typically smaller and lighter than a higher wattage charger, making it more convenient for travel or carrying around in a bag.
If you’re on the go and need to charge your MacBook, a portable 20W charger can be a useful backup option to have on hand. However, it’s important to note that using a charger with a lower wattage than what is recommended for your MacBook Pro may result in slower charging times.
Downside Of A 20w Charger for Macbook
One of the primary disadvantages of using a 20W charger to charge a MacBook Pro or Macbook Air is slow charging.
Since the MacBook requires a charger with a higher wattage to charge efficiently and effectively, a 20W charger may not provide enough power to charge the device at an acceptable rate. This could result in the battery taking much longer to charge, and could impact your ability to use the device while it’s charging.
In conclusion, while a 20W charger can be a useful option for charging Macbook Pro or Macbook Air. But The MacBook requires a charger with a higher wattage to charge efficiently and effectively, and using a 20W charger may result in slow charging, difficulty reaching a full charge.
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