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Engadget notes one of the most interesting devices at the big IFA show in Berlin isn’t a gadget at all but Samsung’s human-powered taxi, with a 10″ Galaxy Note tablet in the back seat.

It’s a slick looking rig. The Ecocab made by Veloform may have enough roof area to capture useful solar, for mobile hotspots with streaming video.

The Samsung ST200F and DV300F (with two-screens) has built-in Wi-Fi. You can stream video from an Android phone using the free IP Webcam app or use an Android-powered Galaxy camera. Smartphones are now 5x bigger than digital camera market (660 million vs 120 million units).

The Samsung Galaxy Camera has a 16.3MP sensor and runs Android 4.1. It works with VoiP apps, such as Skype, which will enable it to be used for making voice and video calls over 3G/4G or WiFi.

A solar powered pedicab might utilize SoloPower’s flexible CIGS photovoltaic modules producing over 100 watts of solar power – enough to run a mobile hotspot all-day.

SoloPower production cells achieve median conversion efficiencies in the range of 11% to 13%. A 100 amp/hr Lithium battery might provide a 2 amp load (hotspot and backhaul) for a total of 50 hours.

If a 120 watt, 12 volt solar panel outputs 7 amps, then it might put back about 50 amp/hrs in about 7 hours. Used 12 hours/day (24 a/h), the battery might be refreshed with as little as 4 hours of direct sunlight (28 a/h).

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