Festool 577079 Energy Set SYS 18V 2x5.0/TCL 6 DUO a convenient and efficient solution for storing, protecting, organizing, and charging your battery packs quickly. This set includes two powerful 5.0 Ah battery packs and one DUO Rapid Charger, all housed within a durable Systainer® that ensures easy transport and secure storage. Designed as the complement to Festool Basic cordless tools, which do not include batteries, this energy set provides additional battery capacity for both workshop and job site needs. The system features ample space for up to four battery packs, with the ability to charge two simultaneously using the TCL 6 DUO Rapid Charger, saving you time and eliminating the need for multiple outlets. Compatible with almost all Festool 18 V cordless tools (except cordless sanders and CTC SYS), these battery packs are i for a wide range of applications, especially those requiring power and endurance such as heavy drilling and driving. The Bluetooth-enabled battery packs automatically activate connected mobile dust extractors, enhancing convenience and worksite cleanliness. The Systainer® design is fully compatible with previous generations and integrates seamlessly with other Festool system accessories, making this energy set a versatile and reliable addition to your toolkit. All components are covered by Festool SERVICE, providing peace of mind and support for your daily work. Model Number: 577079