This battery is a great choice for Apple PowerBook users who need a replacement. It is designed with NiCd battery type and ISO 9001 certification, ensuring high quality and long-lasting performance. The black color matches the sleek design of most laptops, and it is compatible with Apple products.This unit type is perfect for those who need a direct replacement for their old battery. It is easy to install and provides the necessary power to keep your laptop running smoothly. Don't let a dead battery ruin your productivity, get this replacement battery today!