I have a shelf in my basement I call the wall of good intentions. Gear I bought with confidence that I used once or never. And gear I bought skeptically that has earned its place a dozen times over. Both lists are useful. The Gear That Sat in a Box The hand-crank generator. It produces almost no usable power — 30 to 60 minutes of cranking to charge a small battery. A solar power bank does the same job for your phone at a fifth of the price. It is in a box. The 90-piece Amazon survival kit. Littl