Comments on: turn a 2600 joystick into a PSP Battery Pack

By: digit

digit — Wed, 14 Jun 2006 18:49:29 +0000

i like this building, it just shows how creative
brains can be, this is cool, phreaky and crazy,
just saying it is stupid is lame, it is not only
a hardware hack, it is a mindhack, the psp is a
playstation and the cool retro joystick is from
a playstation, so “old” meets new, i like this
stuff – it is a phreaky original, this is creative
art

By: Mike

Mike — Mon, 08 May 2006 23:28:06 +0000

Who knows the size of the PSP Male end of the AC Adapter.

By: Anunaki

Anunaki — Sun, 05 Mar 2006 17:59:28 +0000

I could see this working if the cord was a few feet long and the user carries a backpack with them all the time. Still not a PSP hack, though. If anything, you are hacking the Atari controller to do something that has absolutely nothing to do with its original intended use. It is also a waste of the controller, you could just as easily use something less bulky and less valuable like a deck box or something of that nature.

By: Jeff Barton

Jeff Barton — Sat, 28 Jan 2006 22:19:44 +0000

Oook over the datasheets for the LM3622 Li-Ion charger, and the LM2621 switching regulator. These chips are available from National Semiconductor at http://www.national.com. String the charger output to the Li-Ion battery, and the power supply inputs to the battery pack. The reference designs should work.

By: jayant ratti

jayant ratti — Sat, 24 Dec 2005 22:02:15 +0000

Hey all of you guys!!
Thanks a lot. All your arguments really solved one of my biggest problems. I had to install one of my motherboards to my robot. but the board when connected to the 9V dc supply from the battery, exhausted the battery in minutes.
I guess the way to save power loss would be to replace the 7805 with a switching voltage regulator or better still a direct 5V power supply to my controller. Anyway i think i can figure out a way now. Thanks!!

By: aaron

aaron — Wed, 05 Oct 2005 23:44:53 +0000

I do not think that the point was the fact that he could get a battery to fit into an atari 2600 joystick. The point I feel is that he took the initiative to try to find other options in the PSP short battery life battle. Think about how much this mod cost as opposed to how much another PSP battery would cost. The point I feel of this mod was to get people thinking of other things that they could home build and use. So in a sense I feel that this mod has a practical application…just maybe not in the package that he put it into. For instance would anyone have thought of the 2600 cart battery pack idea if someone had not created an impractical 2600 joystick one. Sometimes impractical things are a good way of getting people to think practically. And as he said this was a first run.

By: ALEX OJEDA

ALEX OJEDA — Sun, 25 Sep 2005 16:17:28 +0000

HOW CAN I HEAR MY MUSIC FROM MY PSP OUT OF MY STEREO SYSTEM FROM MY CAR.

By: andrew

andrew — Wed, 31 Aug 2005 04:46:31 +0000

Dude! You people are nuts, This is so a hack. And about the pack voltage being higher than the psp’s, thats cause its a CHARGER, it charges the internal batts, extended playtime is just another bonus. Mkaes me wonder if you could make it into a more practical shape though, like an nes controller. Cool idea though.

By: Joe Blow

Joe Blow — Wed, 27 Jul 2005 22:23:38 +0000

i created my own battery pack using an old sony ericsson cell phone car charger. it outputs the 5v needed and is pretty flexible on the required input voltage. i replaced the connector to the cell phone with the 5v plug needed by the psp. i got a battery pack that uses 8 aa nimh batteries hooked in series (8*1.2=9.6v), and soldered a plug to the input of the charger. it works like a charm.

By: Jeremy griner

Jeremy griner — Tue, 28 Jun 2005 15:15:24 +0000

I just posted and i am looking into making an external battery pack. I have never done this but this is what i plan to do. I am going to get a 2000MaH 9.6 volt battery. Then step the voltage down to 5 volts that way i can plug it into the PSP’s recharging port. I need help as to actually how to do the wiring correctly. How does the voltage regulator get installed? Does it connect directly off the leads of the battery? Any help on this would be most appreciated! I tried looking at the pictures, but unfortunately they are to small to reveal much detail…

By: Jeremy griner

Jeremy griner — Tue, 28 Jun 2005 14:50:07 +0000

i think that an easier way to do this would be to just get a higher capacity batter pack rated at the 3.6 volts that the psp operates on when it is powered by the battery. The only thing would be to figure out a way to modify the contacts and all to connect the battery to the psp. Another thing would be exactly where to put it. A larger battery obviously will not fit in the cavity provided by sony.

Another method would be to get a battery that has a voltage rating of the charger and then wire it to where you can just plus a lead into where the charger usually goes. Also lets not forget a method to actually charge the larger battery pack. Anyone have any ideas how to actually do this?? Also where can you find large capacity 5v batteries??

By: Steve

Steve — Tue, 28 Jun 2005 08:26:36 +0000

This is neat, I admit. Cumbersome as well.
I have a much better idea.
I designed a power supply that uses no chemicals, no moving parts. Not rechargeable.
Lasts for 3-5 years depending on work load.
I’m currently in negotiations with certain electronics manufacturers and hope to see the alkaline and lithium battery markets slowly die over the next five years. *grin*

By: BJLstorm

BJLstorm — Sun, 12 Jun 2005 20:29:43 +0000

OWNED!

http://shop.brando.com.hk/pspexternalbatterypack.php

OWNED!

By: deenko

deenko — Fri, 22 Apr 2005 05:07:58 +0000

Well, the mod that I stated above works great. I am now doing a test to see how long the batteries last.

By: deenko

deenko — Fri, 22 Apr 2005 03:58:01 +0000

This is just for those who want to use this for a psp battery.

4 nimh rechargable batteries in series provide a peak voltage around 5.4 volts. during their power discharge curve, they tend to level out around 4.8 volts, and when they start to run out of juice (roughly less than 10%) their voltage starts to fall rapidly around 4.65 volts. Of course, these values will be different depending on the brand of battery.

The psp power supply I have outputs 5.4 volts, so the rechargable batteries should not overvoltage the psp, and using an adjustable power supply, the psp will continue to work (without the internal battery) until the voltage drops to about 4.65 volts.

So, now I am going to simply plug 4 batteries (nimh) to the psp power input. I figure it should work, and from my estimates, it should last as long a the standard internal battery. to keep currents low I plan to use this as a supliment to a fully charged psp internal battery.

On a side note: Usb specs state that a usb port will need to provide 5 volts within a range of 4.75 to 5.25. any usb device worth working with should be able to hande this range also, to it should give you some margin of freedom to play with. I hope this tidbit helps.