The safest way to keep progress in a long SNES game depends on how you play: use the game’s own save on an original cartridge or in Snes9x, and treat save states or Super NES Classic suspend points as separate snapshots that can roll progress backward. Before continuing, identify your setup and make an independent backup wherever possible.
First, identify where your progress is stored
| How you play | Where progress lives | Main risk |
|---|---|---|
| Original SNES cartridge | For a game that supports saving, the cartridge may use battery-backed SRAM. | A failing battery or cartridge fault can put the save at risk. Check the board before attempting repair. Snes9x documentation discusses cartridge saves; iFixit’s cartridge battery guide describes repair considerations. |
| Snes9x emulator | The game’s in-game save is stored as an SRAM file, typically with the .srm extension. A save state stores a broader snapshot. |
Loading an older state can restore the SRAM data captured with that state, replacing newer in-game save data. Snes9x documentation explains the distinction. |
| Super NES Classic Edition | The game has its in-game save, and the console can keep suspend points in slots. | A temporary suspend point is deleted if you shut off the console or start another game without saving that point to a slot. Resuming a suspend point can also overwrite the in-game save. Nintendo explains how to save a suspend point and warns about resuming one. |
Original SNES cartridge: use the game’s save and protect the cartridge
Use the save points or save menu built into the game. Let the save operation finish before turning off the console. To confirm that a save is persisting, restart the game later and check whether the saved progress is still available.
As an Amazon Associate I earn from qualifying purchases.
If saves begin disappearing, preserve any remaining progress before opening the cartridge. A battery-backed save can fail because of a weak battery or a cartridge fault; replacing parts without checking the board is not a reliable first step. The iFixit guide says the battery is usually a CR2032, but that is not guaranteed for every cartridge. Opening an SNES cartridge typically requires a 3.8 mm Gamebit screwdriver bit, and battery replacement involves soldering. Confirm the actual board and cell before buying parts or attempting repair. See iFixit’s battery replacement guide and its guide to opening an SNES cartridge.
Free tools Windows power users keep installed
One-click scans. No signup required.
Snes9x: keep the SRAM save separate from save states
Make the game’s own save in-game so Snes9x writes the SRAM file, typically .srm. Then make a separate copy of that file as a backup. Keep that backup distinct from save-state files: the two preserve different things.
#1 Best Overall
- Actual 230 mAh capacity with durable and reliable performance, the highest capacity of this type
- Soldered with pins ideal for N64, NES, Super Nintendo Games Cartridge, Nintendo cartridge save batteries
- 10-year leak-free shelf life
- Packed with 3.8mm & 4.5mm Security Bits
- Zero mercury and cadmium, earth-friendly
A save state can return you to an arbitrary moment, including just before a difficult section. As the Snes9x documentation puts it, snapshotting saves “the whole game state anywhere you want, beyond the game designers’ intent.” That convenience has a trade-off: loading an old state can also restore the SRAM contents captured when the state was made, wiping out a newer in-game save. Read the Snes9x documentation.
- Save through the game’s own menu or save point.
- Make a separate backup copy of the game’s
.srmfile. - Use a save state when useful, but do not treat it as a backup of the newest in-game save.
- After loading a state, check the game’s in-game save before continuing. If you use a different Snes9x port or version, its menus and file-handling details may differ.
Super NES Classic Edition: save temporary suspend points to slots
Sliding the Reset switch up while playing creates a temporary suspend point. It is not saved automatically. Move the point into a saved slot and press Y to keep it. The Super NES Classic Edition supports up to four saved suspend points per game. Nintendo’s instructions show the suspend-point steps.
Rank #2
- Battery characteristics: The battery is a non rechargeable battery with a capacity of 240mah and a working temperature range of -20~60 degrees. This product is environmentally friendly, mercury free, high energy density, durable, and has good continuous discharge stability.
- Battery Replacement: Compatible with Ruby, Puzzle Challenge, pokemon Emerald, Sapphire and Trading Card Edition Save Game. Compatible with Super Nintendo,Nintendo NES, Nintendo 64, Sega Genesis ,Sega 32X games, Suitable for Super Mario All-Stars, Super Mario World, Super Mario rpg, Super Mario Kart (pirate cart), Super Momotaro Dentetsu III, The Legend of Zelda A Link to the Past.
- Welding Tab Button Battery: This battery has vertical soldering pins, is plug-in welding, DIP mode, very suitable for battery replacement. If you don't know the positive and negative poles, please refer to our product pictures when welding.
- Battery packaging: Each battery product is individually packaged, these batteries cannot be charged, otherwise the battery and product will be damaged.
Do not shut down the console or start another game while the point is still temporary: Nintendo says it will be deleted. Also, a suspend point and the game’s in-game save are separate versions of progress. Nintendo warns that resuming a suspend point may overwrite the in-game save, and that overwritten data cannot be recovered. Before resuming, consider which version is newer and whether you need the in-game save. Read Nintendo’s warning about resuming suspend points.
Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Quick Recap
Best Value
- BATTERIES AND TOOLS SEPARATELY PACKED IN A SEALED PACK: Tabbed CR2025 Batteries 10-pack with 3.8mm, 4.5mm Security Bits and Triwing Screwdriver Set.
- GAMEBOY CARTRIDGE BATTERY REPLACEMENT: These batteries are the perfect replacement for most of your Gameboy and Gameboy Color (GBC) Games.
- POKEMON GAMEBOY GAME BATTERY REPLACEMENT: Pokemon Games including but not limited to Pokemon Yellow, Pokemon Crystal, Pokemon HeartGold, Pokemon Soul Silver, Pokemon Gold and More!
- SOLDER TAB BUTTON CELL BATTERY: Perfect for replacing batteries without the need to add any solder tabs, makes replacing save battery in your games fast and easy
- WORKING BATTERIES GUARANTEE: All Batteries are packaged separately, so no batteries will be dead on arrival. If any batteries arrive dead, please contact us for a free replacement!
Rank #4
- ✅12 Pack CR2025 Battery Sets perfect for Emerald, Sapphire, Ruby, Silver, NES, SNES, Gameboy and Sega Genesis game save battery replacement
- ✅CR2025 3v 20mm Lithium Batteries with solder tabs, free of mercury and cadmium, environmentally friendly, high volts and high energy density provide a good continuous discharge performance
- ✅CR2025 Coin Battery Size: 20 *2.5mm, perfect to replace old "save battery" in NES and SNES cartridges, come with 12 pcs, there are enough spare amount for future use
- ✅Easy Install: Open your NES/ SNES cartridge, carefully desolder the old battery, put in these new CR2025 solder labeled button cell batteries in the correct direction, solder the wiring, then your gaming console will back to life!
- ✅Safety Packaging: Each battery is individually packaged to avoid mutual interference and ensure maximum safety and stable performance
Rank #3
- ✅12 Pack CR2032 Battery Sets perfect for NES, SNES N64 and GameCube, Super Mario RPG game save battery replacement
- ✅CR2032 3v 20mm Lithium Batteries with solder tabs, free of mercury and cadmium, environmentally friendly, high volts and high energy density provide a good continuous discharge performance
- ✅CR2032 Coin Battery Size: 20 *3.2mm, perfect to replace old save battery in NES, SNES N64 and GameCube cartridges, come with 12 pcs, there are enough spare amount for future use
- ✅Easy Install: Open your game cartridge, carefully desolder the old battery, put in these new CR2032 solder labeled button cell batteries in the correct direction, solder the wiring, then your gaming console will back to life!
- ✅Safety Packaging: Each battery is individually packaged to avoid mutual interference and ensure maximum safety and stable performance
A simple routine for a long playthrough
- Save in the game first. Use the title’s intended save feature whenever it is available.
- Keep a second copy when your platform allows it. For Snes9x, back up the
.srmfile independently of save states. - Before loading a snapshot, check its age. An older emulator state or Classic suspend point may contain older progress and replace newer in-game data.
- On original hardware, verify persistence. Check that the save remains after a later restart; if it does not, protect any remaining data and identify the cartridge board before repair.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
