The Metabo 10Ah 18V Li-HD Battery Pack includes Ultra M technology Intelligent battery management for long-lasting battery packs. As well as cooling technology that will extend the life of your battery, the pack also contains Permanent Electronic Single Cell Protection ESCP which, when charging, prevents overloading and overheating. Designed for use with all CAS Brands, this 18V battery includes processor controlled charging and discharging management as well as no memory effect, all while delivering the ultimate performance and long life with minimal temperature generation. The Metabo ASC 290 Air-Cooled Quick Charger has been designed to charge your Metabo and CAS batteries in no time at all. Batteries can be fully charged up to eight times faster than any entry level charger with a detailed display of the charging process. Thanks to a USB-C socket, smart devices can also be charged with ease. With a 10Ah 18V LI-HD Metabo battery, it will be fully charged in 50mins.