Description Standard Li-ion battery for use with 3M™ Adflo™ Powered Air Respirator. Fully charges in about 4-5 hours depending on residual capacity. When new, the fully-charged battery provides between 7 and 9 hours of operating time when the respirator is used with a new particle filter and a standard airflow setting. Compact and lightweight for optimum user comfort during a full shift. Speedglas ref. 837630
