NES battery replacement for games that stopped saving
It's been a while since NES games first hit the shelves. Yet it's not uncommon to find a selection of NES titles at your local game store. But after so many years, some of these NES cartridges are struggling to save or won't save data at all.
This issue is typically caused by an old battery. You can extend the life of your NES game by replacing it with a new one. Adding a new battery can extend your ability to save for years. You only need a few tools to get started.
Removing the current battery will cause all of the current save data to permanently erase. Proceed with caution!
Which NES games use a battery?
Not every NES cartridge uses a battery. The primary purpose of the battery was for storing save data. They were common with RPGs and various titles that used unlockable features. You can find a complete list of NES games that use a battery on DKoldies.
Note: This guide is only for NES games, visit this guide to change a SNES cartridge battery.
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