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
Super Nintendo Entertainment System
dual screen
Double Screen
vented lead acid battery
Possibly gameshark, a cheating device.
Double Screen Internet Xtra Large
special
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.
A lithium battery lasts for about 6 hours of constant use or about 60-75 hours of stand by.