Hand Crank Phone Charger
A BOOST WHENEVER YOU NEED IT!
This gadget could be a real lifesaver. Imagine looking down at your phone, it only has a few % of battery left, you don't have access to power, but you need to make an emergency call. What do you do? Thanks to Gadget Bubble you can pull out your phone charger powered by your hand!
CRANK IT UP!
Lift the foldable crank handle, plug your standard USB phone charger cable in, turn the crank handle in a clockwise direction. The LED indicator light will illuminate, indicating you are generating power, and shortly after you'll see the charge icon appear on your phone! The longer you crank it, the more power you will generate.
GREAT FOR CAMPING AND TRAVEL
Whether you are traveling in a foreign city or exploring the wilderness in your own backyard, wherever you find yourself in a pinch without power, your hand crank charger can save the day.
WHAT ARE THE SPECS:
|Color:||Blue, Green or Black|
|Size:||Imperial: 5.70x8.27x4.33in Metric: 145x210x110mm|
|Max Output (V):||DC 6V|
|Max Output (Current):||300mA|
|Estimated Talktime:||1minute of charge gives 3-5mins of talking time.|
|Weight:||Imperial: 2.29oz Metric: 65g|
HOW DOES IT WORK?
The generator/dynamo is made up of stationary magnets (stator) which create a powerful magnetic field, and a rotating magnet (rotor) which distorts and cuts through the magnetic lines of flux of the stator. When the rotor cuts through lines of magnetic flux it makes electricity. With a bit of effort, the simple result for you is your phone charges!
Source: Edison Tech Center
Your hand crank phone charger works best if your phone isn't completely flat. Spin the handle a maximum of 100-120 times per minute. Cranking it too fast may make dynamo overheat. If so let it rest for 10mins.