2X For Metabo BSL36A18 18V / 36V 6Ah Li-Ion Multi Volt Battery BSL 36B18 372121M
371751M / 372121M / BSL36A18 / BSL36B18. Cell Type: Lithium-ion (Li-Ion). Do not put battery into water and fire. Keep away from children. Do not Separation, extrusion, and impact. Capacity: 36V-3.0Ah / 18V-6.0Ah.