1X For Metabo BSL36B18 for Metabo Multi Volt BSL36B18 Battery 18/36V 6.0Ah/3.0Ah
371751M / 372121M / BSL36A18 / BSL36B18. Battery Composition - Li-ion. Do not put battery into water and fire. Keep away from children. Do not Separation, extrusion, and impact.