Asus Charger 19v by 2.37amp

4.0mm x 1.35mm (Small Pin): This is by far the most widely utilized connector tip for modern 45W Asus ultrabooks.3.0mm x 1.1mm: Used strictly on highly specific legacy ultra-slim variants.5.5mm x 2.5mm (Large Pin): Used for older, bulkier Asus standard laptop lines.