The official reply from Apple: “You can use a higher wattage power adapter, but you cannot use one with less wattage without potential operating issues.” ( ). There are a lot of experiments in the Internet – they say that it’s ok and battery life doesn’t get reduced if charging with power adopter of higher wattage. Brand New 61W USBC MacBook Air&Pro Charger with Cable 6Months Warantty. Official reply on using higher power adopters from Apple Park Ridge Shopping Centre Brand New 87W USBC MacBook Charger with Cable (Six Months Warranty) Compatible models and numbers: MacBook Pro (15-inch.

If you will be charging macbook air (that is supplied with a 45W adapter) with an 85w adapter instead, it will still only draw what it needs – so, it’s perfectly fine. It will never just automatically run at 100% of it’s capability. They come in two types of connector ports, which are MagSafe and USB-C. Each one uses a different charger, depending on its design and year of release, but doesn’t mean it’s hard to find the right charger for any one of them. Can Macbook Pro power adapter (85W) be used to charge Macbook Air? The answer is YES – you can charge Macbook Air with Macbook Pro’s charger without any concerns – 85W is just a possible maximum rate, so Macbook Pro’s power adopter will only supply what is requested. Apple laptops come in a few different models: the MacBook, MacBook Air and MacBook Pro. The 45W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Air. Using 85W charger for Macbook Airīy default Macbook Air’s original charger uses 45 watt and Macbook Pro’s 85 watt. The general “rule of thumb” is that it’s ok to use a charger with higher wattage than the one that came with your device, but you should avoid using a lower wattage one. There are 3 kinds of power adapters for macbooks in the market: 45W, 60W and 85W. Types of macbook power adapters and general rule of thumb

Mac airbook charger