Neatly organized: Packed in a Systainer with enough space for four battery packs and two chargers or a dual charger. Customize individually: Easily assemble the perfect power supply according to your needs or application. Super flexible: Whether it's the large battery packs (6.2 Ah/5.0 Ah) or the smaller, compact 4.0 Ah or 3.0 Ah battery packs - the clever insert offers flexibility for battery packs and chargers (TCL 6 and SCA 8 as well as TCL 6 DUO). Mobile: Packed in the Systainer, the energy Systainer can be perfectly integrated into vehicle setups for easy transport from the workshop to the construction site. Better in the system: Systainers are compatible and connectable with all previous Systainer generations, mobile dust extractors, and many other system accessories. The Systainer provides space for up to four battery packs and two chargers or a dual charger - entirely according to your choice. The clever insert securely accommodates all Festool 18V battery packs (except Ergo battery pack) and chargers. This way, you can individually assemble the ideal selection of power for operating your cordless tools. And you have everything at your fingertips for the workshop or construction site. Neatly packed in the Systainer.