Can the movement from a teleport power be used as the movement in a charge if you teleport two or more squares?
From the RC, p240:
Charging is already an action. You can't use another power to replace the movement in a charge because the movement is part of an action.
An argument could be made that you could teleport as part of a charge if you have teleportation as an actual movement mode (at least one epic destiny offers this), but teleport powers definitely won't work.
There is, however, one exception to this rule, the Fey Charge feat from Martial Power: