Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Mobee Show Off Magic Feet (New Charger For Mac Peripherals)
More new products coming from CES 2012. This one is from Mobee its called the Mobee Magic Feet and is said to be available on March 1st 2012 for €149.90. The device allows you to charge both the Apple magic mouse and either the Apple wireless keyboard or Apple touchpad.
The device uses inductive charging which takes 6 hours to charge from an empty battery. Once the device is charged your Mac peripherals can run for up to 10 days with out needing to be charged.
If you want to charge another device then Mobee has also integrated 4 usb ports for you to charge your other products
Keep up to date with more CES 2012 coverage HERE