Compatible ModelsInput: AC 100 - 240V~1.5A 50-60Hz, Output: DC 20V-4.25A 85W. ZHAOSHA mac charger compatible with mac models: A1278, A1344, A1398, A1424, A1425, A1435, A1465, A1466, A1502, MC975, MC976, MD506, ME293, ME294, ME664, ME665, MGXA2, MGXC2, MJLT2, MJLU2. Magnetic T-TipThe laptop charger features a T-Tip magnetic connector that can help you guide the plug into the system easily, and make the connection quickly and secure. In addition, the cord can disconnect harmlessly if it is subjected to excessive strain, and your Mac Book Pro stays place safely. Safety & ReliableEvery hardware of our mac pro charger is made of high-quality material, can charge your device as efficiently as the original charger. Built-in IC chip technology provides over-current, over-heat, short-circuit, overload protection. Certificated with UL/CE/FCC/RoHS standard. Portable SizeThe size of mac book charger is 3.15*3.15*1.10''. This mini cube design can greatly help whether storage or travel.