How to design a more reliable flashlight

In this neck of the savannah we have rolling blackouts.  Whatever, the stated reasons one of the multitude of root causes to the problem is that the country hasn't been wired correctly.  Most part of the country have poor power paths and not advanced power switching capability.  Building new power stations is meaningless unless the grid becomes smart.  

Let us illustrate the point by simplifying it down to a flashlight.

Read about it on LinkedIn here.

https://www.linkedin.com/pulse/my-top-10-posts-pulse-ronald-bartels/

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