Disaster Preping wind up!
Here is something that is not yet mass produced, I would suggest that a wind up power USB torch / phone charger , I have looked for one for some time and there is one on eBay from china but if at ever does all go down this item is not in public for sale when something so easy for them to make is not there and there is no electricity to make things let alone for them to be posted to your house is this not essential for the need of on the move with no sunlight??
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thanks
No problem ;)