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The __WLADICUS POWER PACK__
EVER FIND YOURSELF AWAY FROM A POWER PLUG?
RECHARGE YOUR FAVORITE DEVICE ANYWHERE -  EASILY - AT LITTLE COST!
Your device doesn't know from where it gets a charge!  Nor does it care.
- car battery - AC outlet - other-
    ---------- and now ----------
WLADICUS POWER PACK


Step 1:

The first picture is the finished battery pack in its weird case.  You can choose your own casing.

 

Step 2:

The second picture with lid off the case shows the parts involved. 
The female socket is at the bottom of the case (at the back in the picture). 


* Parts List * 
- 6 cell AA battery holder
- a 9-volt battery socket to connect to the 6-cell holder (or solder wires directly to the battery holder terminals)
- female cigarette lighter socket

- switch (optional)
- any container you wish to design (I used cutaways of 2 empty plastic hand cream bottles (brand name Aveeno, I think).

Step 3:

This 3rd photo shows from where the female socket was obtained.  I bought a "Y" extension cable  with a lighter plug and cut off one of the legs of the "Y" to install inside the battery pack box.  You may want to leave your female socket outside the box 'hanging' from its wires.

Step 4:

The 4th picture shows how I secured the female socket to the container with a screw.  I used a very short screw.  You have to be careful to drill a hole for the screw on the underside of the socket in a place where it does not touch any metal inside parts.
I also used double-side tape to hold the socket in place before screwing it down.

Step 5: The Circuit Diagram

Picture #5 is the circuit diagram showing how all the parts are wired.  The switch is optional, and really not required, since the
batteries are in use only when you plug in the adapter into the socket.
The diagram shows a 6-cell battery holder (3 batteries on each side of the container with a 9 volt battery connector).
I tested this circuit using a 4-cell battery holder (4 AA's providing 6 volts) and it worked also.  Some cars have 6-volt  batteries - so the car adapter has circuitry to handle anything from 6 to 12 volts input.

Step 6:

Picture #6 shows how the switch was mounted (not required)

Step 7:

The final picture shows the battery pack at work with an adapter plugged into the output socket.
I tested this system using 4 AA alkaline batteries for 6 volts, and 6 AA batteries/ 9 volt input.
Both worked great and charged my palm device. 
Using 'C' or 'D' cell batteries would provide a much longer lasting supply for several charges.  However, this is really designed for emergency situations when no other source of power for your phone or other 5-volt device is available.  The AA batteries are sufficient to meet the need.   I think that even a regular 9-volt battery would provide enough 'juice' for a quick emergency boost for a few minutes at least.

Step 8:

Hope this is what some of you are looking for.
You can modify it in many ways to suit your personal creative impulse.

joy,
walt
Dekuji.<br> Ondrej?
Nice idea! :-)
very nice I am voting for u
Thank you very much <em><strong>Schmidty</strong></em>.

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