Check the listing for details. Gameboy Advance Power Pak Ex. Condition: Used. Listed at 10.00 USD. Get the ultimate power supply for your Nintendo Game Boy Advance with this Powerpak Ex. Designed specifically for gamers, this reliable power supply unit will ensure that your gaming experience remains uninterrupted. Its compatibility with the Game Boy Advance makes it an ideal choice for any gamer looking to power up their device. The Powerpak Ex comes from a trusted brand and is made from high-quality materials, ensuring that it will last for a long time. Its sleek design and easy-to-use interface make it a must-have for any serious gamer. Say goodbye to the frustration of running out of power mid-game and hello to uninterrupted gaming with the Powerpak Ex. This game battery has not been tested but we do back our products 100% if you have any issues please reach out to us. Please see pictures for details if you have any questions please feel free to ask. Thank you.