Yes the solder joints are terrible, but it works and I’m proud of myself.



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FYI on the next one - they make CR1616 battery holders (like this) which allow future you to swap in new batteries whenever you want without additional soldering
I figure if I’m gonna do it, may as well just do it once
Enjoy having your old games back!!
I was talking to someone and they were saying that the solders on these adapters always suck and it creates more work. Is there any truth to that? I have 6 games I want to do this on.
The adapter I shared has no solder except that which you put into it. It solders into place just fine with a little flux, I’ve had 0 issues in ~20 games from this.
Be sure to clean your iron tip, I had a little bit of difficulty on the first one I did because I have had the same iron tip for like 10 years. A $2 replacement made life much easier. Probably also could have just hit it with sand paper. And double-check polarity on the connection points - watch a couple of YouTube videos to confirm you’ve got +/- right. I think it’s wonky on some carts.
The ones that are soldered and often suck are the ones OP posted. Be sure to check the battery voltage before you install those ones because they use cheap batteries and duds are common.
I’ve also seen people go the cave man approach and just un-solder/pry off only the battery (from the attached “arms” that connect to the board) on old carts and just tape a new battery in place but that’s an approach for monsters and psychopaths.
I’m a bit foggy on the details but I think Pokémon Silver / Gold were a little trickier because the RTC changes the PCB layout and the battery is actually mounted on top of a chip, so space gets a little tight and you have to build a bit of a solder bridge up to the connectors.
Fun, I have to change the batteries for my Pokémon gold and silver. Thanks for the heads up, I will use fresh tips and borrow a multi-meter.
Oh hell yeah. Thanks For the link. Just what I needed.
Yeah I came looking to see if anyone had mentioned this. 100% the way to go. Worst case you’ve added no work, best case you make your life so much easier the next time around.