Confirmed working. [GB] Pokemon Red Pokemon Green Pokemon Blue Pokemon Yellow [GBC] Pokemon Gold Pokemon Silver Pokemon GB Selling as a set of 7. [The batteries have been socketed.] If the battery runs out, you can easily replace it with a lithium battery purchased by the customer from the next time. *The backup lithium battery is CR1616. Please understand that these are used items and the above points. #GameBoy #GameBoyColor #RetroGame #Pokemon #PokemonRed #PokemonGreen #PokemonBlue #PokemonYellow #PokemonGoldSilver #PokemonGB