According to Lenovo, you can use a 65W AC adapter for T500 models equipped with integrated graphics chips (Intel graphics). If you have the discreet graphics chip (ATI graphics), you should use the 90W AC adapter.
Yes. Yes.
If the adapter has the correct voltage, connector type and polarity, there should be no problem. The 65W and the 120W is the number of watts of power the adapter can provide. If the laptop needs 65W and the adapter can supply 120W, it should work fine. Had it been the other way around, the adapter might not be able to supply enough power for the laptop and it might get too hot and burn out.
There are plenty of places in order for one to purchase the HP 65w adapter accessories for cheap. However, it is strongly suggested that one should order from the website Amazon.
There are several stores where one can purchase a 65w AC adapter. Online retailers such as Amazon sell them for as little as $11.30 (which may include free postage). You can also buy them from the manufacturers website or even try your local PC superstore.
The coordinates 20N 65W correspond to Haiti.
65w
65w
The coordinates 20°N 65°W point to the island nation of Bermuda. Bermuda is a British Overseas Territory located in the North Atlantic Ocean.
45 n and 65w
Sapn
Puerto Rico Trench.
Puerto Rico Trench.
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 at the same load.