Compatible Models-Input: 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-Tip-The 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 & Reliable-Every 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 Size-The size of mac book charger is 3.15*3.15*1.10''. This mini cube design can greatly help whether storage or travel. The color of the LED indicator located at the head of the connector can let you know the charging status conveniently: amber means charging, green means fully charged.After Sale Service-A good customer experience is the most important thing to us, we always want to do the right things with you. So we provide a 12-month warranty, 30-day return and exchange service.