Solar Rechargeable Battery Powered PSP Charger

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Introduction: Solar Rechargeable Battery Powered PSP Charger

My younger brother's a contract firefighter out in Iraq, and purchased a PSP to pass the downtime. Much more importantly, he also got it to make the 12 hour plane ride home seem a bit shorter. The part of the equation that didn't quite work out was the battery life of the PSP. As extra PSP batteries are a bit hard to find it seems, and ridiculously expensive, I figured I'd make him something to recharge the PSP portably. I also wanted to give it the ability to recharge itself with solar power.

Step 1: Gather Materials

My materials list for the project included:
- 1 Altoids tin (or any suitable sized project box will do)
- 1 4xAA battery holder
- 4 Rechargeable AAs
- 1 Solar cell (cannibalized from an outdoor garden light)
- 1 DPDT Center-off switch
- 1 150 ohm resistor
- 1 Rectifying diode
- 1 power cord (cannibalized from an old cell phone charger)
- 1 PSP power adapter (Radio Shack part #274-1532)
- 1 Green LED in holder
- Electrical tape
- 1 12-pack of bee... soda
- Snack of choice (anything to warrant eating all those altoids!)

Tools Included:
- Solder iron, flux, and solder
- Hot glue gun and glue
- Trusty Dremel tool with small circular cutting attachment
- Power drill with drill bits
- Power sander

Step 2: Prep Time!

First things first, you should lay out everything to make sure you have adequate space to fit everything in the box. The solar cell I hacked out of the garden light was just slightly too big for the tin, so I had to sand down the top and bottom edges to fit it in the lid. Even with it sanded down, I had to cut out part of the inside lip of the tin to accomodate it. Next step is to mark out where you want the switch, LED, and power cord situated. The switch and LED holder just take a nice drilled hole, and I just cut a slit down the side of the tin for the power cord. Another possibility (in hindsight) would be to drill a small hole for the cord before attaching the PSP adapter to the end of it. And that's it! We're prepped and ready to ASSEMBLE!!!

Step 3: Assemble the Parts

I used the hot glue gun to secure the solar cell in the lid. Before putting it in, I covered all contacts on the underside with electrical tape. Next, I put the battery holder in the tin. I also covered the exposed contacts on the holder with electrical tape first. All in all, it's a very tight fit, but once it's under the lip of the main tin body, it's nice and snug! The switch, LED/holder, and power cord should be assembled into place after everything is wired together.

Step 4: Wire It UP!!!

Time to bust out the solder iron! I wired it according to the attached diagram. If you'd like to forego the solar recharging aspect of it, refer to the attached SPST diagram. Notice the wiring of the DPDT center-off switch is different than a normal DPDT switch. Also, I found wiring the adapter to the cord quite touchy. Take extra care to solder it as clean as possible, and not to use too much solder, as this will make it hard to screw the plastic sheath back over it...

Step 5: Finish Assembly and Test It Out!

After everything is wired together, you can finish assembly. Just attach the switch and LED to the tin, run the power cord, and run the wires however you'd like. Once everything is situated, use hot glue to secure and protect it all.

Step 6: Flaunt Your 'Kal-El'esque Powers!

That's right! Let them know you'll never stop, as long as you have the power of the sun to give you strength! Bend steel with your bare hands, save Midgar from the evils of Shinra, light up some Helghast scum, get an albatross, defy the dark side, save the cheerleader, and SAVE THE WORLD!!! Enjoy your spoils, and happy gaming!

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    239 Discussions

    0
    otmpp
    otmpp

    5 years ago

    where can I get cheap solar panels in the uk anyone

    0
    YoChuck
    YoChuck

    Reply 5 years ago

    Not too sure... I'd recommend a thrift store or swap meet of some sort. Pretty much any place that has old junk you could grab the solar panel out of. I pulled this one from an old solar garden light that had broken off its stake.

    0
    9773776901
    9773776901

    5 years ago

    what is output voltage of solar cell

    0
    YoChuck
    YoChuck

    Reply 5 years ago on Introduction

    Most of the technical questions are addressed in the comments, but admittedly most from like 5 years ago, so probably worthwhile to repost this to bump it:

    "I've gotten it to peak at a little under 4v in the sun. Then it goes down quite a bit in indoor lighting."

    0
    dangerD
    dangerD

    8 years ago on Introduction

    Could you adapt this with a usb port for an ipod?

    0
    MadScience#1
    MadScience#1

    11 years ago on Step 6

    Yes! now I can use my psp when the zombies take over the world!

    0
    Tomychuken
    Tomychuken

    Reply 9 years ago on Step 6

    Yo i was thinking exactlly the same as resident evil 3
    no energy just solar power
    thats why i enter instuctable on solar secton i have solar windows cooool hu

    0
    Krayzi99
    Krayzi99

    Reply 9 years ago on Step 6

    notice how zombie movies like never have sunlight?

    0
    k_man93
    k_man93

    Reply 11 years ago on Step 6

    dude! i was thinking the same thing as i read this :P

    0
    YoChuck
    YoChuck

    Reply 11 years ago on Step 6

    Absolutely! And if you reinforce the cord, you could use it as a weapon if they invade the mall store you happen to be hiding out in! :D

    0
    Krayzi99
    Krayzi99

    9 years ago on Step 4

    thanks for the wiring. im adapting this to a rechargeable massager in an altoids tin. i will post a link to the ible when its done.

    0
    mlegazpi
    mlegazpi

    9 years ago on Introduction

    hey FAST!, wat type of diode is?
    1N4004 Micro 1-Amp Rectifier Diode???

    0
    P1NCH0
    P1NCH0

    9 years ago on Introduction

    Great ible!
    I have a couple of questions:
    1) You said in one of your answers that it takes very long for the batteries to copletely recharge... would adding a second solar cell shorten this time? Would it cause any problem?
    2)This charger will only supply power whe it is "ON", isn't it? But it will charge the batteries even if it s "OFF"?

    Tahnks!

    0
    Tizaro
    Tizaro

    9 years ago on Step 4

    damn!
    i messed up and bought a SPST center off switch.
    is there anyway i can still incorporate the solar panel?

    0
    noah472
    noah472

    9 years ago on Introduction

    i am kind of new to solar cells and i was wondering. say i wanted to add six rechargeable batteries at 1.2 volts each i would get 7.2 volts and i connect that to the switch just like you set up but i put a 5v regulator in it. would i be able to just get a 9v solar cell to charge my batteries. would that work or would i need add something. please help thank you

    0
    Evilman
    Evilman

    9 years ago on Introduction

    Can i use a zener diode instead of the rectifying diode?

    0
    Tizaro
    Tizaro

    9 years ago on Introduction

    looks as though this can also just be used as a solar battery re-charger.
    which is great.
    charge batteries for your camera, and your PSP

    0
    Delta25
    Delta25

    9 years ago on Step 4

    hey, if the batteries charge with the solar panel there isnt any overload or overvolting protection, isnt it? if not how can we add it?

    0
    eamc317
    eamc317

    Reply 9 years ago on Step 4

    As long as the solar panel isn't too large compared the battery (putting out about 10% of the battery's total capacity(a good rule for most rechargable batteries)) then your pretty safe. Its known as trickle charging, and keeps from too much electricty going into the battery. Still, you shouldn't leave it unattended in the sun for long periods of time, like months, since it can still be over charged. You can add protection for it if you wish. There are many articals on Instructables about these. Hope this helps! :)