AAK's AA induction battery: recharges in a cup? | Engadget
File:Induction coils - how to make, use, and repair them including Ruhmkorff, Tesla, and medical coils, Roentgen radiography, wireless telegraphy, and practical information on primary and secondary battery (14755407584).jpg - Wikimedia Commons
Best Buy: Rocketfish™ Single Induction Battery for Nintendo Wii Multi RF-GWII053
Inductive battery charging (with explaining text) - Volvo Car UK Media Newsroom