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.
Canon Selphy QX20 review: a fun, portable printer with photo-quality prints
I reviewed the new Canon Selphy QX20, a tiny, battery-powered printer with dye-sublimation quality for on-the-go photo prints.