The Coghlan's Dynamo Flashlight is a compact and convenient LED flashlight powered by dynamo technology. Simply crank the handle for one minute and enjoy up to 7 minutes of continuous light from the two super bright LEDs generating 10 lumens. This flashlight never needs new bulbs or batteries and is perfect for keeping in your vehicle, bo...
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the 'Dynamo Flashlight' is, really, the only rational option when it comes to flashlights.however, there are many questions that surround the design of these (much like the decades-old USGovernment SCAM of not developing solar technology)... why would *all* flashlights not be battery-less? by neglecting to improve the design of crank~powered flashlights, which only makes sense, only proves that The USGovernment is only interested in enriching the battery companies--- or something else--- just like keeping people shackled to fossil fuels. Also, look how small this unit is!!... this is ridiculous {but it is not Coghlan's fault. at least they offer this {at an exorbitant price, though}.