crwdns2934241:0crwdne2934241:0 unsubstantiated

crwdns2934249:0crwdne2934249:0:

From your description, I guess you have a defective replacement MagSafe connector.  In a proper working MagSafe connector, indicator lights are OFF while not connected to MacBook.

crwdns2915684:0crwdne2915684:0:

open