The 18V 5.5 Ah CAS battery not only offers full flexibility for the STEINEL mobile heat series, but also 100% compatibility for 230 machines. One battery for everything: You can now easily combine machines, battery packs and chargers from different manufacturers. CAS is a cross-manufacturer battery system from leading power tool brands, focusing on 18V, the most important application area for professional users. The multiple use of existing rechargeable batteries gives you clear cost advantages, a high investment security of a guaranteed future-proof battery system.