How to make a circuit that will allow you to use dead batteries to power your electronics. The Joule Thief circuit explained. http://graywolfsurvival.com/2491/the-joule-thief-a-preppers-best-friend-for-dead-or-homemade-batteries/

How to make a circuit that will allow you to use dead batteries to power your electronics. The Joule Thief circuit explained. http://graywolfsurvival.com/2491/the-joule-thief-a-preppers-best-friend-for-dead-or-homemade-batteries/

Joel the Joule Thief

Joel the Joule Thief

Build your Joule Thief                                                                                                                                                                                 More

Joule Thief Dog Light

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