that is correct and if u can ...
u may want to buy a usb power adapter travel pack thing so u can just plug your ipod into a socket in the wall .. i find it quicker and more effective
considering your gunna need ur laptop on a long time ... probably have to have that plugged in to ..
if u get wat i mean
Definitely not. Though I'd recommend getting an AC adapter for charging your iPod so you don't have to have your laptop on whenever you want to charge it.