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Thread: Pokemon Gold/Silver Battery replacement gone wrong

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    Insert Coin (Level 0)
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    Default Pokemon Gold/Silver Battery replacement gone wrong

    I have a Pokémon Gold cart and Silver Cart that were dropping saves intermittently.
    I opened the carts popped off the battery leads using a tiny flathead and replaced the 2025s with new ones from the store.
    I taped them into place and used my multimeter to test the little solder patches with the battery in place.
    It read 2.7V which is ok for a battery from the store.
    I closed the cartridge back up, and popped it in.
    I start a new game and save after I leave the house.
    I soft reset (select,start,a,b) and check my save, Its still there.
    I power off the Gameboy color, and power it back on.
    The saves are gone, 100% of the time on both carts.
    What do I need to do? I seems weird that there would be a hardware malfunction on both carts simultaneously.
    It must be something Im doing wrong.

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    ServeBot (Lɘvel 11) RP2A03's Avatar
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    Since you taped the batteries in place you probably have intermittent contact. You need to either have tabs arc welded to the battery so that you can solder it to the PCB, or you need to install a coin holder.
    Mario says "... if you do drugs, you go to hell before you die."

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    Strawberry (Level 2) Ro-J's Avatar
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    Sounds like a loose connection. Last year I replaced the battery on a copy of Pokemon Silver by taping it. I used electrical tape and made sure to wrap it tight. I believe I used this youtube video as a guide. I gave the cart to my six year old to play and there was never an issue with him losing his save....and I just checked it, his game still loads up.

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    Alex (Level 15) Custom rank graphic
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    Default

    Quote Originally Posted by RP2A03 View Post
    Since you taped the batteries in place you probably have intermittent contact. You need to either have tabs arc welded to the battery so that you can solder it to the PCB, or you need to install a coin holder.
    For Gameboy games I don't believe there's currently any coin holder that can fit in those cases, they would have to be replaced with the arc welded tabs batteries.

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    Great Puma (Level 12) Niku-Sama's Avatar
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    these are the skinniest holders i could find.

    they could be made to work but it would be alot of time put in to jus zap them to a tab of metal.

    what are the thoughts on conductive glues?

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    Insert Coin (Level 0)
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    Testing ensured I had constant connectivity.
    I did a good job taping using electrical tape.
    I left the battery in and the system off for a few days.
    When I took the battery out I tested it and it was low.
    It must have been a short in a chip or trace. The pcb is bad, im moving to a new project.

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    Cherry (Level 1) 8-Bit Archeology's Avatar
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    Solder in a new battery. You can get them on plenty of sites. I am pretty sure its the CR2025 tabbed for those. If you dont solder, have a friend do it. Its the only way in my opinion. I keep at least ten of each tabbed battery at a time just incase. It saves you a lot of money in the end. And you keep the carts you have.

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