Metabo 18v 5.2Ah Li PowerExtreme Battery

Ultra M technology: Intelligent battery management for long-lasting battery packs with a 3 year guarantee
Patented “AIR COOLED“ charging technology
Permanent Electronic Single Cell Protection (ESCP) when charging, for particularly long life.
Processor-controlled charge and discharge management
Capacity display with almost no self-discharge
Capacity display with almost no self-discharge
One battery pack for everything. 100% compatibility with all 18 V machines and chargers of the CAS partners