Instant Extend Power (3.5e Feat)
From D&D Wiki
 Instant Extend Power [Metapsionic]
You can increase the duration of your powers in an instant.
Prerequisite: Any other metapsionic feat
Benefit: Once per day you can apply the Extend Power feat to any power you manifest without expending your focus. You can still use Extend Power normally if you have it.
Special: When you use this feat, you can choose to expend your focus on manifesting the power anyway, the power point cost for this feat is then reduced to 0.