www.nextag.com or www.Amazon.com/ I suggest you review these places. The prices are the same everywhere and you can buy from a reputable seller this way.
You can ask the store owner from where you bought the laptop. You can also buy it online at www.amazon.com or www.ebay.com with some great deals. Be sure to buy original.
Acer laptop computers have many accessories that are available for purchase. External devices such as docking stations, printers, and mice can be added to supplement the functions of the laptop itself. Adding a screen protector can save the screen from unsightly damage. Carrying the Acer laptop inside a carrying case may also protect the laptop from damage while being transported.
One can purchase an Acer laptop charger very easily by calling 877-528-2288 or going at the online store Atbatt. There, you just have to select the model series or the part number and it will lead you to the right charger to buy.
The best replacement power cord for a Macbook Air you can buy is in the city, specifically in Manhattan at the 66th street apple store they probably have a lot of laptop power supply.
Staples
The Acer Laptop charger is available at best buy. Other places also have this charger such as radio shack and the brand website. It mostly depends on your preference.
At radio shack you currently can buy the acer 20in monitor, which comes in silver. Or you can purchase the acer aspire laptop, which comes in black. And for a very reasonable price.
I chose an Acer laptop because I trust the hardware used and the design was good as well as the specifications fit my needs.
You can buy a cheap Acer laptop on the following website: http://www.newegg.com/Store/SubCategory.aspx?SubCategory=32&name=Laptops-Notebooks. They have great deals.
The cheapest place to buy an Acer Laptop would be the company itself, on their website. Other stores selling Acer would be Best Buy or Staples.
Laptop power supplies can certainly be purchased separately. If you lost only a detachable cord it is an inexpensive replacement, but if you lost a cord including the pwoer adapter "brick" it is more expensive.
One can go to purchase an Acer laptop computer at a variety of online retailers. These include Best Buy, K-Mart, Wal-Mart, Office Depot, Amazon and the Acer company home page.