I would use my laptop to check emails and such, and the battery, and well, nothing really I wouldn't USE my battery for anything except running my laptop which it already does on its own...
It depends or the price........ that is the answer.... go to a cheap shop and look for a cheap laptop :L don't go for the cheapest as it wont last as long and possible be really bad You should also...
ok... just to be sure you get the best deal at the cheapest price you should call up a few computer stores first and ask for prices & specifications & even have a look at some catalogs then...
For a laptop battery there are no 90W or 65W but there are 90WH and 65WH. If you mean this so you can replace a 90WH battery with a 65WH battery but the 65WH one can't last longer than the 90WH one...