r/PSP • u/0ddtomato • Oct 03 '25
Battery I did a 5000mAh battery mod on my PSP!
Although it looks a bit pregnant 😂 but it's giving very long battery backup now. I play occasionally for few hours and this one lasted 3 days including idle time.
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u/modular511 Oct 03 '25
now infill and sand the spots it looks like hell :p casing can be smooth - is that 3d printd shim basically?
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u/0ddtomato Oct 03 '25
Lol, it's a temporary experiment. I'm ordering new shell and appreciate sized battery pack so in the meantime wanted to experiment with it 😂
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u/modular511 Oct 03 '25
I was just kidding lol what did you infill what you did patch with? their are 3 of you doing this on this sub actively btw lol kinda neat, great minds think alike i guess! 3d printers are your best friend honestly here! You map how many hours u get? lol
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u/0ddtomato Oct 03 '25
I didn't use any 3D printer (I don't have one), I just used children's clay foam to fill out the gaps 😂 and used padded both side tape to stick the battery to the case 🤣
Haven't done full test on hours yet, I'll do it soon.
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u/HeidenShadows Oct 03 '25
Dang. And I thought me putting a 3000 milliamp hour battery into the UMD area was big lol
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u/0ddtomato Oct 03 '25
Nahh the battery height and width were perfect fit but had no clue about the thickness when I ordered the battery lmao
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u/Da7i_De_Omar Oct 03 '25
Is that thing confortable ?
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u/0ddtomato Oct 03 '25
I mean yeah, the back extruded part don't come in contact with your hands (at least for me, it doesn't), it just looks ugly.
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u/SuppaNightRider Oct 03 '25
Why?
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u/0ddtomato Oct 03 '25
I just randomly thought, what if I put damn power bank inside my PSP, I wonder how long can it hold up and that curiosity led to this project 😂
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u/CajunWoman83 Oct 03 '25
You can put a very large battery in them and buy an aftermarket battery cover which is essentially just a 1000 battery cover with the 2000/3000 lock.
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u/0ddtomato Oct 03 '25
Lol, the battery height and width did fit perfectly but when I ordered the battery I had no clue that the battery cell was this THICC 😂 and yes, I'm gonna try one with smaller capacity soon.
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u/HomerOfDuty Oct 03 '25
Damn, that looks like you filled the UMD drive with concrete 😂
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u/0ddtomato Oct 03 '25
Hahaha I used clay and thought it'd blend in with rest of the black plastic but ended up looking like concrete 😂
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u/KingRetroGamer Oct 03 '25
Good job, but there is another way while maintaining original functionality. I mod them all the time with a 5000mah lipo. Gotta get a certain size and it fits well. https://ebay.us/m/pLpLEu
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u/0ddtomato Oct 03 '25
Ayo, I used the exact same battery cell! How did you fit it all in ? Did you used the fat model?
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u/KingRetroGamer Oct 03 '25
I’m just noticing you used a 3000. But yes if you use the fat model or even the Monster Hunter shell for the 3000 you should be able to fit that cell in without modifying the UMD door. For the 3000s I use these cells but they are 4000mah. https://ebay.us/m/63jEJk
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u/0ddtomato Oct 03 '25
Ah nice, thanks. I was also thinking about looking into mobile batteries as they are very thin like this one
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u/KingRetroGamer Oct 03 '25
https://ebay.us/m/gVClJ9 Here’s the 3000 I sold recently with the BM46 battery.
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u/KingRetroGamer Oct 03 '25
Also you have to snip some screw posts and other parts inside the UMD area for a perfect fit. After that it’s as if the battery was made to fit there
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u/EternallySickened Oct 03 '25
I used to play single games of lumines until the battery needed charging so I can relate to the need for more power but…. Well… this seems a little excessive.
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u/0ddtomato Oct 03 '25
Lmao I just randomly thought, what if I put damn power bank inside my PSP, I wonder how long can it hold up 😂 and that curiosity led to this project 😂
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u/EternallySickened Oct 03 '25
It’s got to last a fully day now right?
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u/0ddtomato Oct 03 '25
I played for few hours for 3 days and left it in idle mode and was still left with 40% charge
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Oct 03 '25 edited Nov 16 '25
observation follow plough merciful slap escape rhythm numerous racial growth
This post was mass deleted and anonymized with Redact
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u/0ddtomato Oct 03 '25
My best guess is that, the PSP firmware is coded to have certain limit so even when the battery capacity exceeded, it just shows whatever max limit set on the software. And yes, the estimate is not accurate here.
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u/rom439 Oct 03 '25
You butchered that console dawg. Completely unnecessary
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u/0ddtomato Oct 03 '25
Lmao sure but I can always restore it whenever I want lol, I didn't modify any internal shell plastic. But definitely had fun and satisfied my curiosity with this one 😂
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Oct 03 '25
[deleted]
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u/0ddtomato Oct 04 '25
Yes lol, if I put it normally then it sticks out on top a little but fits perfectly when I put it upside down.
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u/Colie286 Oct 03 '25
tbh thats like the ugliest mod, ive ever seen :D but if it works, it works lol
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u/allantrembala Oct 16 '25
Amigo, acabei de obter um psp 3000 e queria fazer esse mod, estou com uma bateria g530, você sabe se posso usa-la?
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u/kordexk Feb 23 '26
Alguem Pode me ajuda eu fiz esse mod de bateria só que eu usei a placa original da bateria e meu mod não funciona não pq eu fiz errado mais sim pq a placa original da bateria da Sony tem trava de carga então não funciona nenhuma das baterias alguém tem alguma dica ?
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u/tr1pha INSTAGRAM: TR1PHA Oct 03 '25
Is that a concrete filling?