could it be possibly in real life? wear a suit which need electricity powered motor or oil motor to hydralic useable ... [sorry my english but can't do better with cause my hangover]
this has been discussed before (use the search function please). power armor prototypes (or at least power suits) already exist and are being actively researched in many countries.
in short: Hannu Karpoakin kiinnostaa! (or something like that)