Can the misc. items like rings and necklaces be recharged, if so how and where? Thanks.

Nope. Once an item runs out of charges, that's it. No way to refill 'em. So use only when necessary ;)

<center>Nightowl2</center>

I believe that most charged items can be "recharged" by selling them to a merchant while they still have charges left and then buying the items back. I know it works with mana stones.

Confirming that you can sell and buy back fully re-charged amulets. I have done so several times at the Armor Shoppe in Arnika with an Amulet of Static and Amulet of Stillness (once the amulet was fully expended).