<http://schema.org/about>
"Three patent requests made by Apple and published by the US Patent and Trademark office show hints of plans for intelligent charging of universal batteries, making Apple batteries last longer, waste less energy, and be recycled"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/new-battery-technology-from-apple-could-mean-smart-universal-charging.html>