Apple 85W MagSafe 2 Power Adapter T-Tip Charger MacBook Pro Retina 15 A1424 A139
Model Number: A1424 / MD506B/A. Apple 85W MagSafe 2 Power Adapter (T-Shape Connector). It will not fit older MacBook models that require the larger MagSafe 1 (L-Shape) connector. Connector Type: MagSafe 2 (Magnetic "T" style).