To combat homelessness, and also to provide a cost-effective, no hassle, recreational overnight capability; imagine a weatherproof sleeping bag that folds into its own backpack, has inflatable ribbing to form a tubular structure around the sleeping bag, and an in-built inflatable mattress. It would have flexible solar panels on the exterior that are exposed as the mechanism is folded into the backpack and also when inflated for use, with a low capacity battery that can subsequently be used to charge low powered devices. The battery would also provide a power source for an ultra-low consumption LED light within the interior of the tube. The lining of the sleeping bag would include heat retaining material and foil sheet.
Concept (c) 2019 Let's build a thing
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