Flight Carry On Luggage Can I Bring These Items As A Flight Carry On?

Can I bring these items as a flight carry on? - flight carry on luggage

I have not flown for a while, and I wondered if that) as carry-perfect (in an aluminum housing:
Nintendo Wii
External Battery
Laptop
DVD Player

Is there a regulation on the content of hand luggage? Or in an aluminum enclosure?

Thanks