Battery pack with safety bracket LiHD 18 V - 10.0 Ah. LiHD battery packs for ultimate performance and extremely long use with minimal temperature development. Ultra-M technology: intelligent battery management for long-lasting battery packs. Patented "Air Cooled" charging technology. Permanent electronic single cell monitoring (ESCP) during charging, for a particularly long service life. Processor-controlled charging and discharging management. Capacity display for permanent monitoring of the charge status. Long shelf life with virtually no self-discharge.