Yes there are available stands that will charge your Nintendo Ds unit as you play such as the Charge Boy Ds.
not difficult if you know what you are doing and the main thing you have to buy is a new stand but if I were you I would take my advice and stick with the alternator it recharges the battery up all the way each time it is started and it will keep your battery alive longer
Nintendo Entertainment System
dual screen
Super Nintendo Entertainment System
Double Screen
vented lead acid battery
Voltage
Possibly gameshark, a cheating device.
special
Double Screen Internet Xtra Large
If you mean the SNES, Super Nintendo Entertainment System
Nintendo WiiWare is software bought from Nintendo's Shopping Channel on the Wii and downloaded to the Wii. It includes stand-alone games as well as Virtual Console games.