How to Hack a Hand Cranked Flashlight for Emergency Power
Take apart the flashlight with care., Obtain a 12 volt car adapter., Check the polarity. , Solder the wires of the 12 volt adapter to the two button cell contacts., Cut a notch in the plastic of the flashlight to fit the cable., Put the connector in...
Step-by-Step Guide
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Step 1: Take apart the flashlight with care.
Inside you will find a small hand-cranked generator and some button cells that generate power. -
Step 2: Obtain a 12 volt car adapter.
Ensure that it fits the item that you want to charge (for example, a cell phone).
Cut the end off, leaving the end that plugs into the phone or other appliance. ,, See Warnings. , Seal up the flashlight. , Crank the flashlight. , Try other appliances, such as a PDA. -
Step 3: Check the polarity.
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Step 4: Solder the wires of the 12 volt adapter to the two button cell contacts.
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Step 5: Cut a notch in the plastic of the flashlight to fit the cable.
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Step 6: Put the connector in and see if it will charge your cell phone or other appliance.
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Step 7: Look for the charging symbols on your phone.
Detailed Guide
Inside you will find a small hand-cranked generator and some button cells that generate power.
Ensure that it fits the item that you want to charge (for example, a cell phone).
Cut the end off, leaving the end that plugs into the phone or other appliance. ,, See Warnings. , Seal up the flashlight. , Crank the flashlight. , Try other appliances, such as a PDA.
About the Author
Carol Turner
Professional writer focused on creating easy-to-follow lifestyle tutorials.
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