Hi, this is my second attempt to create a PS4 Portable.
My first attempt was a PS4 FAT Portable with a seperate gamepad. It was just a PS4 on Lithium batteries with a screen. But 12V with 13A gave just one hour of gameplay with a 3S4P of 18650 (3500 mah each cell) so i really prefered to play it with a power input. Here is a photo:
My new project is now to do a PS4 Slim Portable with a gamepad inside and a 3S4P of 21700 (5000 mAh each cell) Thanks to the Ashida Wii project, i feel more confident to make my new project.
The 3D Front part: (made with Tinkercad) In reality: (FDM printed with PLA+)
Schematics of the PS4 gamepad : And almost all wired:
But... I connect the new wired gamepad to a PS4 and even a Windows PC and I realise that i have a problem with L2 and R2 ! L2 and R2 is doing like a rapid fire alltime !!! When I check an official gamepad i realise that the contact are strange for L2 and R2 When i check with a multimeter, it's like the points are connected even if you don't press the button with some kind of a resistor (7K ohm)
Here is a photo:
it WORKS ! So to make L2 working we have to put a resistor of 7K5 (7500 ohms) between L2- and L2+ and between L2+ and L1+ To make R2 working we have to put a resistor of 7K5 (7500 ohms) between R2- and R2+ and between R2+ and R1+
The photos:
I Trim the metal case to decrease size without cutting the mother board: Size of the motherboard ps4 slim: 247mm 142mm I keep the metal case and put fresh pads for the ram and new thermal paste IMG_20250325_121124.jpg I build a little case and cover with aluminium foil + capton and I add a probe to check temperature
56°C in game for about 15mn in gaming
IMG_20250329_065242.jpg I built the battery 3S4P and will use a BMS 3S 40A and an active balancer that can be ON/OFF with a little switch boitier bas.jpg IMG_20250331_073825.jpg
In Game we use 6A to 6.5A max (the Game is Destiny 2) for 12V The home menu it's 4A.
To close the case i will use thin sheets of metal
IMG_20250331_075504.jpg IMG_20250331_074529.jpg
After 2 days of gaming the battery life is 2h and the charging time is 2h30 at 60 watts (3S4P - 20000 mAh - 21700 10.5A cells) The PS4 switch off at 9.7V~9.8V (3.26v for each lithium cell so they are far to be emptied (2.5v)) The power delivery module inside the 'PS4 Portable' is really hot at 60 watts but the plastic PTFE is not melting thanksfully. My powerdelivery brandnamed GREEN has 4 ports: 2 for 100 watts and 2 for 25 watts. The 25 watts provide in fact 20 watts with my PD module, it's not warm at all and it's a better choice to charge the lithium battery without decrease the battery life but the charging time is around 8h.
After 2 days of gaming the battery life is 2h and the charging time is 2h30 at 60 watts (3S4P - 20000 mAh - 21700 10.5A cells) The PS4 switch off at 9.7V~9.8V (3.26v for each lithium cell so they are far to be emptied (2.5v)) The power delivery module inside the PS4 Portable is really hot at 60 watts but the plastic PTFE is not melting thanksfully. My powerdelivery brandnamed GREEN has 4 ports: 2 for 100 watts and 2 for 25 watts. The 25 watts provide in fact 20 watts with my PD module, it's not warm at all and it's a better choice to charge the lithium battery without decrease the battery life but the charging time is around 8h.
Vue3D-detail.jpg I have not added it but it's still possible to add on the switch ON/OFF a link to the real ps4 charger thanks to a XT60 just for the line 12V because it s linked to the 5v module for the standby mode (it's the little green scare near the active balancer module) You can also play with the power delivery but at 60watts it's not enough because the ps4 slim use about 76 watts
The PD module it's a IP2368 charger module for 2S to 6S You have to change SMD resistors for choosing 3S (sold 4S) , 4.15V for each cells (sold 4.2V) and the max capacity to 20000mAh R7= 9.1k for 3S R5= 24.9k for 20000 mAh R2= 7.5k for 4.15V
