-doh,
Sorry; our terms of service do not allow you to download and save or host the google.charts.load or google.visualization code. However, if you don’t need the interactivity of Google Charts, you can screenshot the charts and use them as you wish.
https://developers.google.com/chart/interactive/faq
origin - http://www.pipiscrew.com/?p=8408 can-i-use-google-charts-offline