This PORT battery is RARE and still in sealed box, never open and nevernbeen charge.2 Packs sealed in the box. It is no longer produce but may fit other laptop used by IBM. It is designed for IBM 730t. The IBM 730T is a vintage laptop from the brand Port, known for its classic design and functionality. This model is highly sought after by collectors and enthusiasts of vintage computing technology. With its retro charm and reliable performance, the IBM 730T offers a unique computing experience for those who appreciate the nostalgia and craftsmanship of older computing devices. Laptop 730T is not included in the listing and for demonstration only. Only battery. No return.IBM (84G0566) Battery for ThinkPad 730T