3 Ways to Power Up, Battery-Free

When your cell phone is dead, sometimes you wish you were too.  But take heart, The List’s Bradley Hasemeyer has three ways to power up without plugging in.

 

1. Hydra Light

it's a lantern that uses salt water for power.  Just scoop up some ocean water, or make your own salty substitute, and pour it in this tank.  It houses a power cell that interacts with the salt water, creating energy.  This bright idea will even charge your phone! They start at around 44 dollars.

 

2. The Million-Mile Light

This gizmo is meant to illuminate joggers at night.  Just clip it on, start moving and... ahh, let there be light!  this thing is bright, and since there is no battery,it will never run out of power it's lightweight, too.. Finally, a tangible result from jogging! They go for around 22 bucks.

 

3. The Bio Lite Camp Stove

This one's source of power -- burning small twigs or leaves - means you can charge your usb devices, even when you are out in the boonies.  And it really cooks:  It can even boil a pot of water. It runs around $130.

 

Innovative ways to toss those AA's, with energy to spare.

 

Which device would you like most?  Join the conversation on our official twitter page, @TheListShowTV.

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