This Swiss Army knife of rugged phones has the largest battery I've seen on a mobile device (and the built-in projector is cool too)
The Oukitel WP100 Titan is a rugged smartphone with built-in projector, camping light, and a huge capacity battery.
foodengineeringmag20h
Pepperl+Fuchs and ThinManager Unveil the First ThinManager-Ready Tablet Solutions for Rugged and Hazardous Areas
The ThinManager-ready tablet solutions are designed to create a truly mobile thin-client management system aimed at busy ...