Power source is a huge issue. The higher weight capacity and longer running Exoskeleton you want...the heavier battery you'd need to carry. So unless we achieve some breakthrough in battery technology, things are pretty bleak from a military point of view.
That being said, powered Exoskeleton (remember just Exoskeleton, not armoured because armour would so heavy that it'd kinda defeat the whole point of that Exoskeleton) still has two very promising role in the military.
> A wired Exoskeleton for support activity in a base. If connected to a power outlet then you can reach the full potential of such Exoskeleton suit without much worry about batteries running out or heavy weight. These kind of suits can come handy in tasks like arming planes, loading - unloading heavy caro, maintenance of vehicle, etc.
> A lighter rudimentary Exoskeleton that works from the waist downwards. Not armoured or any other quirk...just a simple contraption to support the weight carried on back without putting strain on the knees. This kind of set-up would be good for guys like radio operator, demolition or paramedic who usually carry their specialized equipment on the cost of not carrying the usual battle load.
But as I said, the whole arena of this specific military technology depends solely on the R&D of a more power dense battery system. Until that happens the best you could get are these three Super Soldiers from Ghana
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