Question: is magsafe 2 backwards compatible?
Answer: The new MagSafe 2 adapters are not backwards compatible with previous generations of MacBook products, though Apple has added a $9.99 MagSafe to MagSafe 2 converter that will allow MagSafe 2-equipped computers to utilize MagSafe connectors on LED Cinema Displays, Thunderbolt Displays and first-generation MagSafe power ...