Based on this product's specifications, here are some alternatives and similar models
Battery Apple PowerBook 100 CR2430-CF Energizer
Summary description:
The Energizer CR2430-CF is a high-performance 3V coin cell battery designed for the Apple PowerBook 100. It offers reliable power and long-lasting performance, ensuring your device operates smoothly. With a shelf life of up to 10 years, this battery is perfect for keeping your electronics running without frequent replacements. Ideal for powering various devices, it provides consistent voltage and is easy to install.