18V 5.2Ah Li-Ion Battery Pack 18 V, 5.2 Ah, Li-Power

Ultra M technology: Intelligent battery management for long-lasting battery packs with a 3 year guarantee, Patented €œAIR COOLED€œ charging technology, Permanent electronic Electronic Single Cell Protection (ESCP) when charging, for particularly long life., Processor-controlled charge and discharge management, Capacity display to permanently monitor charge status, No memory effect, Can be stored for long periods of time with almost no self-discharge