The Metabo 12V battery + charger Basic set includes two powerful LiHD battery packs with a capacity of 4.0 Ah and an efficient ASC 55 charger. This set has been specially designed for demanding applications and offers outstanding performance and long runtimes thanks to the advanced LiHD technology. The batteries are equipped with intelligent battery management, which ensures an extended service life. The patented "AIR COOLED" charging technology enables fast and effective charging, while permanent electronic individual cell monitoring monitors the condition of each cell to ensure maximum longevity. The integrated capacity indicator allows users to keep an eye on the battery charge level at all times, enabling optimum planning of working time. The charger is also compatible with all Li-Ion and LiHD sliding seat battery packs from Metabo, which increases the versatility of the set. LiHD technology for high performance and long runtimes. Intelligent battery management for extended service life. Patented "AIR COOLED" charging technology for efficient charging. Permanent electronic single cell monitoring. Integrated capacity indicator for monitoring the battery status.