I would refer you to Pilgrim's post as he covered the reason why speaking in tongues, etc. deny a closed canon, etc.

A few additional things ring true though in your comments (1) though you were apart of such a group you were still saved (2) God had you there for some reason--as His providence is never accidental (3) you, by the Spirit of God recognized the error in some of their teachings and left--another sign of genuine Christianity.

Have you been able to identify any reason why in God's providence you ended up in a Charismatic Church instead of a Baptist Church during this time? (besides being able to identify their errors, etc.)

Reformed and Always Reforming,