Asus ZenBook UX21A AC power adapters are used as both a power supply and a battery charger. The power adapter tends to deteriorate under normal use (especially around both ends of the cord) and must be replaced.

Buying In Store

Large electronic retailers (i.e., Best Buy, Radio Shack) carry the Asus ZenBook UX21A AC Adapter models. Conducting a search on each retailer’s website will confirm whether it has the adapter in stock.

Buying Online

Online marketplaces such as eBay and Amazon offer convenience and low-price shopping. If urgency is not an issue (because of shipping) check these sites for the Asus ZenBook UX21A AC Adapter.