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.
CR2032 battery holder for Nintendo FC SFC NES SNES N64 game card – Retro Game Repair Shop LLC
RFiotasy Kids Mini Handheld games console Built-in 400 classic 8 Bit Retro NES games, 2.8 Inch Screen, Rechargeable Battery, TV Video Out
Amazon.com: NES/SNES Save Battery Replacement Kit (includes installation instructions) : Video Games
NES battery replacement for games that stopped saving - Howchoo
NES Games Battery Replacement - YouTube
List of NES games with save batteries
What about all the batteries in those carts? - Classic Console Discussion - AtariAge Forums
NES cartridge battery replacement | Memories in 8Bit - YouTube
Zelda and link nes on Mercari | Video games nintendo, Nes games, Nes
How To Change An NES Game-Save Battery - RetroGaming with Racketboy
Nes Games Save Batteries | Nes Cartridge 72 Pin | Nes Cartridge Repro - 72 Pins Game - Aliexpress
11+ Steam Deck Games That Won't Drain Your Battery
Brand New Region Free Battery Saved 8 Bit Game Cartridge Collection Super 630 In 1 For Nes - Accessories - AliExpress
How do game save batteries work for NES, SNES and Gameboy games? - Quora
NES battery replacement for games that stopped saving - Howchoo
L'Empereur with Manual & Map - Authentic Nintendo NES Game + New Save Battery | eBay
Cleaning up the batch of 5 Screw NES games. I found something way ahead of its time, but very interesting! CR2032 battery location, not used!! : r/retrogaming
How to clean a NES cartridge - Dreamcast.nu
Review of console system Hamy PocketGame (portable Nintendo NES clone)
Cute Candy Game Console with 200+ Classic Games FC NES Games Pocket Game Pad Hand-held Game System for Children - Walmart.com
Pixel Games Super 239-in-1 | BootlegGames Wiki | Fandom
ZedLabz replacement CR2032 battery with tabs for Nintendo NES, SNES, N64, Sega Master System & Sega Mega Drive (Genesis) games
Miadore 2.4 GHz Wireless USB Controller Compatible with Super NES Games, SNES Controller you with USB Wireless Receiver Compatible with PC, Windows,iOS, Liunx, Android Device - Walmart.com
Player's Choice 143-in-1 PLUS 10 Bonus Crappy Games | 1UP Retro
