New Square Asus Taichi 21/ Vivobook F201E, Q200E, S200E 19V-2.37A AC Adapter Charger 4.0x1.35mm For ASUS 19V-2.37A 45W, 4.0x1.35mm Square Charger For Asus Taichi 21 Asus Vivobook F201E, Q200E, S200E, X201E, X202E /Asus Zenbook UX21A, UX31A UX32A etc. PN: ADP-40TH A, EXA1206CH, 0A001-00330100, ADP-45AW A NOTE: DO NOT compatible with UX21E UX31E !!! After shipping, it usually takes 7-15 business days by USPS (e-Packet) for delivery from China if no suddenness.