![Preservation project. I'm upgrading old NES and SNES cartridges with better eprom batteries and battery holders. You'll lose your save games with the mod, but get years more use from old games. Preservation project. I'm upgrading old NES and SNES cartridges with better eprom batteries and battery holders. You'll lose your save games with the mod, but get years more use from old games.](https://preview.redd.it/7x127m1x4sry.jpg?width=640&crop=smart&auto=webp&s=77af6ff34ac4da1cd31369c9641e9f64a6558d46)
Preservation project. I'm upgrading old NES and SNES cartridges with better eprom batteries and battery holders. You'll lose your save games with the mod, but get years more use from old games.
![Amazon.com: Game card - Game Cartridge 16 Bit SNES , Game Final Fantasy 6 VI - RPG Game Cartridge Battery Save US Version : Video Games Amazon.com: Game card - Game Cartridge 16 Bit SNES , Game Final Fantasy 6 VI - RPG Game Cartridge Battery Save US Version : Video Games](https://m.media-amazon.com/images/I/31-W4aRr5cL._SX342_.jpg)
Amazon.com: Game card - Game Cartridge 16 Bit SNES , Game Final Fantasy 6 VI - RPG Game Cartridge Battery Save US Version : Video Games
Will an NES or SNES game that wasn't used much continue to save reliably today? Or does it not matter since the batteries are so old now? I don't want to be
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Wiresmith CR2032 Tabbed 3V Replacement Coin Cell Save Battery for Classic Nintendo Nes Snes N64 Sega Genesis Game Cartridge - Walmart.com
![Amazon.com: NES/SNES Save Battery Replacement Kit (includes installation instructions) : Video Games Amazon.com: NES/SNES Save Battery Replacement Kit (includes installation instructions) : Video Games](https://m.media-amazon.com/images/I/21tuxYdgzJL.jpg)
Amazon.com: NES/SNES Save Battery Replacement Kit (includes installation instructions) : Video Games
Will an NES or SNES game that wasn't used much continue to save reliably today? Or does it not matter since the batteries are so old now? I don't want to be
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