<p>Are you looking for a cable for your laptop power bank to charge your Mac Book in your holiday? Well, you are lucky, we specially design a detachable Magnetic 2nd-Gen cable for laptop power bank and multi function Mac Book charger replacement ​one end of this DC power cable is a 5.5 x 2.5mm male connector for laptop portable charger, another end is a Magnetic 2nd-Gen compatible connector for Mac book computers. Special Note: This power cable is just a cord, no any voltage or current control circuit inside. Although this connector may fit many different Mac Book computers, please make sure the power source(such as power adapters or charger replacement) which this connector tip connected can supply correct voltage and current for your Mac Book. Product Specification: ​Male connector: 5.5 x 2.5mm (connect to laptop portable charger) ​Female connector: Magnetic 2nd-Gen (connect to mac book) Cord Length: 5.9 feet (1.80m) ​Compatible Machine: 85w macbook pro 15 inch (2012-2015) 60w macbook pro 13 inch (2012-2015); 45w macboo</p>