Hacking replacing the 2.7v capacitors with batteries in the usb jigs

[WD_GASTER2]

Hi was just wondering if this mod has been attempted? they are pretty crummy when a jig loses all charge after like 1 startup.

 

[P3T3]

Maybe replace the capacitors! My one holds allot of startups!
Theory it’s should work but battery would provide constant power where as the capacitors hold charge and realise when needed.

 

[FAST6191]

I don't think it has been attempted either. The caps are there as they are long term more reliable than a battery would be*, no high current needs or anything like that (not that most supercaps do well with high draw) and if the device is only needed sporadically for a few seconds each time (and then gets power once it is done) then caps can be justified as a design decision.
Do remember to check what voltage the whole arrangement uses -- most supercaps are really low voltage limit so in practice designers will often series wind them to double the voltage limit (and half the capacitance).

*see also all those game carts that need battery replacements, most N64 memory paks, most rechargeable devices over about 6 years old and so on and so on.

 

[WD_GASTER2]

i wonder if they are just garbage capacitors. ill look into replacing them. i bought another dongle from the same place as the one that is having the problem just to investigate, and its doing the same thing! 1-2 startup and then it just goes flat (urgh)