PSP portable Power
I needed a way of charging my psp at work, I work in earthmoving equipment where 12v is not always available. So I made this up from mashing up various other instructables. Don't try this and blame me when you fry your PSP - always test the final product with a multimeter and ensure the polarity is correct before plugging in your PSP.

Step 1: Get the goods

PSP portable Power
Bits you will need......PSP caseTwo old garden solar lights (the two AA flavour)4 AAA Nimh BatteriesTapeFoil5volt regulator linkShrink tubeSpare wirePSP Plug

Step 2: Break stuff up

PSP portable Power
Trash the garden lights remove the solar panels and one of the diodes which look like the image shown. Solder wires onto the solar panels, poke the wires through the lid and mount the panels with glue to the lid.

Step 3: Battery pack

PSP portable Power
PSP portable Power
PSP portable Power
Make up the battery pack, postive to negative to get your 5v, fold up the foil and use it to bridge the terminals, attach the tape nice and tight to ensure good contacts. I used some 9v plugs to make it easier to remove.

Step 4: Solder on

PSP portable Power
Wire up the diode and resistor as shown in image, make sure they are the right way around (the current only flows one way) before soldering by testing with a multimeter (I had photos on my laptop but my dog ate them), check voltage with multimeter. Put layers of shrink tube on to stop any wires from breaking. Solder on the plug, test and re-test.

Step 5: Enjoy!

PSP portable Power
 
 

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