Best Buy offers Lenovo laptops, and they have multiple locations throughout the DC area, and nearby areas. They also have a website where you could make your purchase and either pick the laptop up locally, or have it shipped to you directly.
I would personally go with Lenovo, but they are about equal. If I could get any laptop, though, it would be an Acer. :)
A Lenovo laptop computer can be purchased easily online either directly from Lenovo or from any online retailer within your region. The online purchase option alloys you to view various models of different specification and you could choose whichever suits your needs best.
You could get a cooling tray. would also want a converter if you don't want to use battery.
not really. if you take out the battery when plugged in you could short circuit the laptop. trust me i know.
the laptop turns off when unplugged from AC adapter
Battery could possibly be burnt out.
You can go to laptop battery life online for they have all kinds of battery for all kinds of laptops. If you wish you could also visit amazon.com and eBay for more choices.
Laptop/Notebook hardware are generally considered to be unchangeable. In other words, no.
One could purchase a laptop briefcase online on multiple websites. The most popular and therefore recommended websites are 'Overstock', 'Bestbuy' and 'Laptopsdirect'.
If you are looking for a spare or replacement HP Battery there are numerous places to purchase one. Sears, Wal-mart, Staples, Office Max, Office Depot, and online at At Battery and Laptop Batteries.
Laptop batteries have a finite lifespan. A laptop batter which is more than a year old may have less than half as much storage capacity.I would not buy a used laptop battery unless it was extremely inexpensive, and then only if I already had a battery i could depend on (would use the other as a backup)