LiHD battery packs offer maximum performance and extremely long usage with minimal temperature development. The Ultra-M technology features intelligent battery management for optimal performance and gentle charging. It includes the patented "Air Cooled" charging technology and permanent electronic cell monitoring (ESCP) during the charging process, ensuring a particularly long lifespan. The processor-controlled charge and discharge management enables efficient operation, while the capacity display provides constant monitoring of the battery status. With a long shelf life and virtually no self-discharge, this battery is compatible with all 18 V machines and chargers from CAS partners.