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Keep your cordless tools running without downtime on the jobsite with the Milwaukee M18 B52 battery set. This pack includes two powerful M18 B5 18V 5.0Ah Li-ion batteries and an additional M12 B2 12V 2.0Ah battery, giving you the versatility to power demanding 18V tools as well as compact 12V equipment. The 5.0Ah capacity delivers extended runtime for heavy-duty tasks, while individual cell monitoring guards against overheating and overload. Built with a rugged frame and integrated shock dampers, these batteries reliably resist harsh vibrations and drops, ensuring continuous productivity throughout your workday.