The cells are encased in a clear, UV and scratch resistant coating.

ENGADGET: Voltaic Spark Tablet Case powers your pad with the Sun's rays

The scratch-resistant mineral coating (read: not Gorilla Glass) laid atop the display does a fine job protecting the glass from in-pocket abrasions -- not that we Engadget staffers are in the habit of abusing precious mobile kit.

ENGADGET: Sony Xperia Ion review: an Android handset with a split personality

And with scratch-resistant glass and splash-guard coating, Motorola PHOTON Q resists everyday scratches and spills.

ENGADGET: Sprint's Motorola Photon Q LTE is coming 'very soon' (update)