Of course, You may use a 45W charger rather than 85W to your Macbook Professional with no difficulties. Having said that, using a greater wattage adapter is not going to make your Laptop demand a lot quicker or operate differently. one hundred% OEM Appropriate - Guaranteed to meet up https://tvandsoundsysteminstallat20741.vidublog.com/20081572/the-single-best-strategy-to-use-for-apple-magsafe-2