Hi guys, I have an older MBP charger and an rMBP. I have the little Apple MagSafe 2 adpater, but when I connect it the light doesnt go on the charger cable, it just it just powers it. After a while, maybe 1 hour or 2 hours, the charge light comes on. I tried on 2 rMBPs, same thing. I tried on 2 similar chargers, same thing. I assume its the small adapter.?