Notebook Adapters sold on our website are first class equivalent products. ; In case of failure of the 19V 4.74A 5.5 * 2.5 Charger, its replacement is made one-on-one by our company. ; You can unconditionally return the 19V 4.74A 5.5 * 2.5 Adapter Charger you have purchased within 14 days, provided that the packaging and product originality are intact. ; The shipping fee for exchanges within 14 days is covered by us. ; Orders placed before 16:00 are shipped the same day. Orders placed after 16:00 and on the weekend will be shipped on the next business day. ; The laptop adapter you purchased will be delivered to you within 1-3 business days, depending on the distance between your city and your location. ; Please send a message to get more information about shipping and product warranty.