you could buy the 85w ones as my back up. It should be noted that higher wattage chargers can be used on the lower wattage laptops, but not vice versa.For example,If you have mac laptops that have used all three wattages. To find the right charger for Macbook ,there are three kinds of power rating Macbook power adapter in the market,45 watt, 60 watt, or 85 watt. Any MacBook that was made from mid 2012 onward uses the newer Magsafe 2 connector. The choices are either the Magsafe or Magsafe 2. The main difference is the appearance between the two, in that the Magsafe 2 connector has a thinner connecting piece. There are two different connector types for the Apple MacBook: the Magsafe connector and the Magsafe 2 connector.
How to choose the right macbook charger?It is very easy to select the right Macbook charger,confirming the right power ratings as well as right connector types. If your macbook power adapter is broken or it is lost,or you need a additional magsafe charger when you are traveling. They are sleek in design and ultra powerful in performance as well as very efficient in power consumption.
The MacBook is one of the most popular laptops in the computer world and also very popular in United States.
