Be equipped for a blackout by having the best backup light sources possible
 
(Based on the book Power Out! How to Prepare for and Survive a Grid Collapse)
When I wrote Survival Life.com articles on Emergency Lighting a short time back, I shared manufacturing data on how long battery makers claim their products could last. But I wondered what actual operational tests would show. So I decided to get a quantity of new LED flashlights and perform my own dynamic empirical test on these products. I purchased a number of 3-1/2” 9-LED Mini Flashlights (Figure . . .

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