Though not necessarily a superpower itself, it does grant high-tech powers to the user.
The user utilizes a specialized suit of armor by using technology alone. Armor may be powered by the user's thoughts, so the user would have to concentrate if the suit is to high-tech function properly. With all mechanical power the armor possesses, there are cutbacks. The suit may need a source of supply power to activate or the suit would use the user's life energy, thus rendering the user unconscious or dead. The suit may even enhance the powers of those who already have powers. The suit may be equipped with all sorts of gadgets the user can use.
Several members of the Teen Ninjas (Codename: Kids Next Door) in their B.R.A.s (Battle Ready Armor).
Valerie Grey (Danny Phantom) in her ghost-hunting suit.
David Xanatos (Gargoyles) in his red battle armor.
Terry McGinnis/Batman (Batman Beyond)
The Ecto-Skeleton (Danny Phantom) was capable of amplifying Danny's ghost powers 100 fold, but at the cost of drastically exhausting his body.
Skulker (Danny Phantom)
Princess Morbucks (The Powerpuff Girls)
Spacebear (Spacebear) wears a Xyber-suit fitted with Xyber Science to hunt down criminals.
Big Hero 6 (Big Hero 6) ready for action.
When Dib (Invader Zim) has his skeleton was crushed in alternate timeline, his father created for him the MegaBoy 3000. A fusion-powered titanium exoskeleton that "gave give him the strength of ten thousand little boys". In addition this, Zim's tampering with the past caused the exoskeleton to become better armored and equipped with more weapons.