Input: AC 100-240V 50-60Hz, Output: 14.85V 3.05A 45W. Knowing what specific Mac model you have is important.Please check out carefully Before Purchasing Replacement charger AC adapter for Mac book Air 11" and 13.3" after 2012 with Model: A1435、A1465、A1466 Compatible with Mac Air 11“and13.3”:MD223,MD224,MD231,MD232,MD711,MD712,MD760,MD761,MJVM2,MJVP2,MJVE2,MJVG2,MQD32,42,52 Security Assurance:Replacement mac air chargers manufactured with the highest quality materials and include multiple smart features safeguarding against over current,over voltage,over load,short-circuit protection and auto recovery,CE/FCC/RoHS certified Satisfication Guarantee: Our team of professionals is constantly working to make you happier. We provide technical support for customers 24/7 𝙋𝙡𝙚𝙖𝙨𝙚 𝙣𝙤𝙩𝙚: 𝙊𝙪𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩 𝙞𝙨 𝙣𝙤𝙩 𝙘𝙤𝙢𝙥𝙖𝙩𝙞𝙗𝙡𝙚 𝙬𝙞𝙩𝙝 𝙩𝙝𝙞𝙧𝙙-𝙜𝙚𝙣𝙚𝙧𝙖𝙩𝙞𝙤𝙣 "𝙏" 𝙢𝙤𝙙𝙚𝙡 𝙈-𝙘𝙝𝙞𝙥 𝙘𝙤𝙢𝙥𝙪𝙩𝙚𝙧𝙨 𝙧𝙚𝙡𝙚𝙖𝙨𝙚𝙙 𝙖𝙛𝙩𝙚𝙧 2021 Replacement for 45W T-Tip Charger