Ruyyerguy -
I think if you sell the wand to a store and then buy it back, it will be recharged. I've never bothered to do this so I don't know from first hand experience but other items (which can be invoked) get recharged when you sell them to a store, so I think this should work on the wand as well.
Was trying to locate a link to a good chart on the skills and traits, but the site is down right now
Didn't notice these charts on Xignal's excellent W&W site (the link Mammawlin provided below). I'll see if we can't pull up this information for you. Meantime if you want to ask about a specific trait - I can answer that for you.
Wyv