Check the listing for details. 10x CR1616 Save Battery Tabs Pokemon Gameboy Advance GBA Ruby Sapphire Emerald. Condition: New. Listed at 13.95 USD. TEN (10) CR1616 replacement coin cell save batteries with tabs. Do your games no longer save? If this is the case then you need a new save battery.These are the exact same batteries used in Pokémon Emerald, Sapphire, Ruby, Puzzle Challenge, Yellow and Trading Card Edition plus many other Game Boy games.All Game Boy games that use battery back-ups use either CR2025 or CR1616 coin cell batteries. To determine which one your game uses open them up and measure the diameter of the battery. A CR2025 coin cell battery is 20mm wide while a CR1616 coin cell battery is 16mm wide.You will need a soldering iron to install these. In order to open your game cartridges you will need a security bit. GameBoy Original and GameBoy Color games use a 3.8mm nutsetter security bit while GameBoy Advance games use a triwing security bit. SHIPPING INFORMATIONUSPS First Class (3-5 business days) WITH NO TRACKINGAll orders before 5PM EST will ship out same day Monday - FridaySatisfaction is 100% guaranteed. Please understand that your item could get lost by the USPS.A negative feedback helps no one in this case.If your order did not arrive within the 2 week period just let us know and we will promptly issue a full refund.