🔋Adopting high efficiency, low loss, environmental protection circuit design; with overvoltage protection, overload protection; short circuit protection, overvoltage protection, overload protection, overtemperature protection. 🔋COMPATIBLE: Replacement charger AC adapter for Apple Macbook Pro 13 inches,15 inches and 17 inches Laptop A1278,A1502,A1344,A1465,A1502,A1425,A1435,A1466,A1398,A1424,ME293, ME294, ME664, ME665, MC975, MC976, MD506, MJLU2, MJLT2, MGXC2, MGXA2. 🔋QUICKLY HEAT SPREADING FUNCTION : This macbook charger used high quality heat sink, which is great thermal conductivity material, it can protect the charger from the damage that caused by the over-temperature. 🔋DURABLE CORD : The cable is made from anti-friction and high-tough TPE material, the connector and the wire body connect perfectly. It has tested such as high-strength bending and tensioning, not easy to be frayed and is wear-resisting. 🔋FAST CHARGING: The replacement for MacBook Pro charger adopt the latest fast charging technology,and have superior performance,which can charge your notebook quickly without compromising its performance and longevity.