Tech & Servers ljusa USB charger

Published on July 16th, 2014 | by masteruan


Charge up with a Ljusa hand-powered USB charger

ljusa by 0lab

Materials: IKEA Ljusa hand powered flashlight

How many times have you been without a battery? I often! I then decided to hack the nice coffee grinder shaped IKEA Ljusa hand powered flashlight.

The procedure was simple it was enough to eliminate some resistors and use a capacitor sufficient to handle the charge given by the Ljusa’s dynamo.

IKEA Ljusa
ljusa USB charger

I set the output voltage to 5 volts, and I installed a USB socket. It only remained to modify the body of the torch. Then I printed the bottom of Lyusa filament transparent leaving only the space for the female USB plug.

The result you can see in the photos. Quite nice!

Now I will never be out of battery power, simply just a bit of “movement” and the batteries of my electronic devices will be charged … at least for the time of a call.

See more of the handpowered USB charger.

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The Author

2 Responses to Charge up with a Ljusa hand-powered USB charger

  1. Sebastian says:

    I would love a step to step howto for this..
    Love the Idea want to do it but cant read much out of the Video..
    Does somebody know where the how to is?

  2. Zugh says:

    Of course this is several times larger and heavier than a contemporary rechargeable USB battery that can fully recharge a phone … but that’s hardly the point of the exercise. Nicely done.

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