
Easily charge your MagSafe 2-equipped Mac computer with this Apple® MD504LL/A converter that is compatible with a variety of Apple devices with a MagSafe connector, including 24" and 27" LED Cinema displays, Thunderbolt displays and more.
Q: Can this be used to connect an older MacBook to a newer MagSafe 2 charger?
A: No it’s made to work the opposite way, if you have a older charger and newer air that’s what its for
Q: can this adapter replace one that is damaged?
A: No, it is an add part, not an replacement. Damage must be replaced safely with the proper Items or part.
A: We need to know the year that your mac book pro is from. You don't charge the CPU. You charge the battery inside your Mac book pro for your laptop to work without being plugged in to a wall socket.
A: Unfortunately no its for older to work on newer pins are different
Q: Need a cheap replacement power cord for Apple MacBook a1342
A: Found one for 2009 MacBook Pro on Amazon for less than $20.