Check the original version "Power Jam feat. Chill Rob G - The Power" it wasn't really featured Rob - it only sampled his rap from "Let the words flow", photo of the original song is below.
Later because of legal issues this guys made a new version and released it under the name "Snap!" and replaced Rob's rap by Durron Maurice Butler aka Turbo B (Pittsburgh, Pennsylvania MC).
Check Snap! - The Power Video of the hit single:
The line "I've got The Power" samples Jocelyn brown - Love's Gonna Get You, check 05:38 for the sample part: