The tool battery for Stihl HSA 25 and similar models is a powerful Li-Ion battery specifically designed for use in various devices. Weighing only 167 grams, this battery offers an optimal balance between performance and handling. It is categorized as a device-specific battery and is ideal for use in a wide range of tools. The battery is part of the device battery category and meets the necessary safety standards, including UN number 3480. The declaration requirement for this battery ensures that all relevant information for safe handling is provided. The battery is sold as a single unit, making it a practical solution for anyone looking to operate their devices efficiently. With this battery, users can maximize the performance of their tools while ensuring ease of use.