this post was submitted on 24 Aug 2026
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Replacing GBC Cart Battery (lemmy.world)
submitted 2 days ago by ChocolateFrostedSugarBombs@lemmy.world to c/retrogaming@lemmy.world
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Hey All,

So I haven't soldered in over 10 years but just recently I dug out my old GB/GBC/GBA games and I found a number of them have dead batteries so all of my saves are gone for those games. ๐Ÿ˜ญ

I'm bought all the stuff I need to replace the batteries but the batteries themselves. Does anyone have a good place to get tabbed batteries? I was going to get them from amazon but wanted to see if there was a better place. I think most of the games I need to replace are CR2025's but there may be a few CR1616's too.

Hopefully this is the right community to ask this in.

Thanks!

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[โ€“] MufinMcFlufin@lemmy.world 2 points 2 days ago

The size you need is entirely dependent on the game. Pokemon Red and Blue both use CR2025's, whereas Pokemon Yellow uses a CR1616. GBA games often use flash memory instead of SRAM so they don't usually need their batteries changed for the actual saves, but usually for an RTC if the game has one.

In my personal experience local stores usually have batteries in the right sizes, but I've never seen them have tabbed batteries.