«If my device just relies on one
specific environmental condition, the power output can vary throughout the day,» Mendu said.
What's more, the device meets the MIL - STD - 810G military specification, which, according to Samsung, means it has been tested against a «subset of 21
specific environmental conditions, including temperature, dust, shock / vibration, and low pressure / high altitude,» to guarantee its heavy duty design (though Samsung notes that the unit may not perform correctly during exposure to extreme conditions).