Thread: PSP 3000 UMD Battery mod (ACTUAL MOD)

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  1. #1 PSP 3000 UMD Battery mod (ACTUAL MOD) 
    Senior Member I Modded My PSP
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    So inspired (kind of) by diabolical mind (link below) I decided to take apart my external battery in attempt to mod it into the psps umd drive (presuming it are it out first)
    UMD Battery MOD?

    Fyi, so e guy from another site did an umd battery mod some time ago, BUT!!!
    1 it was a phat
    2 its old
    3 it wasn't pspmods.com
    4 it wasn't me


    EVERYONE LOVES PICTURES!!!

    Board thingy

    What it's for

    Comparaion to the original 1200mah battery and psp

    wrapped up due to accidental puncture


    PERFECT FIT




    Notes
    yes, the (big) battery is rated 3.7 v and the psp 3.6v, the 3000s stock battery says "max current voltage:4.25v" so I think I'm good


    Bought some cheap Chinese batteries ill rip the board from those, no way I'm wasting a perfect Sony battery , and besides, I heard lipo batteries make good pyrotechnics lol)

    Yes, you can have my umd drive if you don't mind it I an envolope without a tracking number (presuming I start this mod)

    reason for edits
    found out what the 3 pin is for
    found out I needed a board
    added "perfect fit" picture
    added this
    eta: 2/7/13 (I'm not going to pay for 1 day shipping, you can though
    psp slim - umd drive = slim shaped go
    questions deleted, all questions answered after poking around
    Last edited by ThEliteCommando; 01-30-2013 at 06:49 AM.

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  2. #2  
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    interesting. I was thinking of doing this mod too, but I dont know what batteries to use, weather I need a circuit board, or if I can just wire the extra batteries to the circuit board in the original battery...
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  3. #3  
    beer makes me retardedly retarded PSP Mad Hacker diabolic-mind's Avatar
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    looking good sofar elite, the positive and negative leads on the psp's battery are at the bottom side of the psp battery. so when you remove the battery from the board when you feed your wire from the umd drive feed it along the bottom edge. a thin cut in the plastic wall dividing the two compartments should be plenty enough to run those wires through. as for the umd drive, mention it to slowman, he is apparently interested in getting his hands on some umd drives.

    andehx, i would not advise wiring an additional battery to the board of the psp battery with the psp battery still connected, the reason being is that the board would have know way to determine the charge level of the two lipo cells, and it could possibly cause issues. if you were to do this i would say to remove the psp lipo cell from the board, and use another lipo cell with the same voltage rating just with a higher mah. also make sure that the batteries are the same type, as in lipo. im pretty sure the psp battery is lipo not l-ion. would have to check on that. i believe the only major difference is the charge rate, but still could cause complications.

    also, keep in mind that using a significantly larger mah is going to translate into much longer charge times, but if you charge it over night while your sleeping then you wont really have a problem. and i would keep an eye on it the first few times you charge it, watch for the lipo cell swelling or puffing, getting hot. two good indicators that it is about to go poof and release the magic smoke that lives inside of it
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  4. #4  
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    PSP batteries are Lithium-Ion.

    So do you suggest that, instead of wiring 2 extra cells, to the cell inside the PSP battery, that I simply remove the PSP battery cell, and use the 2 new cells wired in parallel? Not using the original PSP cell at all?
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  5. #5  
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    What about these? I measure these batteries, from the dimensions given on the website, and you could easily fit 2 of these into the UMD bay of a PSP: Designer's Replacement 3.7V "1860mAh" Battery Pack for Sony PSP Go - Free Shipping - DealExtreme

    Have a look:battery.jpg

    if those batteries really are 1860mah each, then 2 of them in a PSP, and you're getting 3700mah of power. Batteries are pretty cheap, I might give it a try.

    Ahh wait a second. I just noticed in the description "Actual capacity: 800mah" Crap....
    Last edited by AndehX; 01-30-2013 at 03:30 PM.
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  6. #6  
    Senior Member I Modded My PSP
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    Anyone know what the 3rd pin/connector is for?
    @diabloic mind I have a wire stripper and a lot of electrical tape.

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  7. #7  
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    the 3rd pin is for charging I think, but I would look it up first if I were you
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  8. #8  
    Senior Member I Modded My PSP
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    UPDATE: ordered cheap a___ Chinese batteries, should get here in a week or so, considering how much effort it takes to remove the umd drive, I also ordered a new casing

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  9. #9  
    beer makes me retardedly retarded PSP Mad Hacker diabolic-mind's Avatar
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    removing the umd drive doesnt take alot of effort. the third pin has something to do with how the psp reads data from the battery. the battery sends a code to the psp.

    andehx, the purpose of me saying not to run another cell off of the psp battery board with the psp battery cell is because the board doesnt know that one cell is XXXXmah and the other is XXXXmah, with that being the case one cell will recieve a longer charge than the other, this could lead to an explosion of the battery cell. i suggest just finding a larger mah single cell.
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  10. #10  
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    or 2 cells that are the same capacity?
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  11. #11  
    Senior Member I Modded My PSP
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    Hi everyone, I just got my Chinese batteries from in the mail (forgot to heck the mail yesterday ) and have started working on the mod (pictures coming soon)

    Edit:
    Screwed up 1 battery, thankfully,I have a second
    Last edited by ThEliteCommando; 02-04-2013 at 12:16 AM.

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  12. #12  
    beer makes me retardedly retarded PSP Mad Hacker diabolic-mind's Avatar
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    screwed up one battery how?
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  13. #13  
    Senior Member I Modded My PSP
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    Comparison of the fake batteries and the 3500mah




    ITS ALIVE!!!


    the screens on and the battery's there, black thing is my iPad in its case


    NOTE: I had to litterly kiss the camera button on my iPad To get the last 2 pictures

    ----(EDIT)----

    close up of the battery

    Funfact: that long black and white wire was actually a RCA cable()

    Now all that's stopping me from ripping out that umd drive is my housing from dealextreme
    Last edited by ThEliteCommando; 02-04-2013 at 01:07 AM.

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  14. #14  
    beer makes me retardedly retarded PSP Mad Hacker diabolic-mind's Avatar
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    nice, coming along nicely sofar, cant wait to see it all assembled and see what kind of play time your getting out of it
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  15. #15  
    Senior Member I Modded My PSP
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    Quote Originally Posted by diabolic-mind View Post
    screwed up one battery how?
    Well, its not beyond repair,
    1 my attempt at welding with a lighter resulted in a held melted head
    2 accidentally broke off the head (needs welding)
    3 burned the cardboard that the chips attached to

    Well, unearned from my mistakes, so meh

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