More runtime and fewer interruptions where it counts. Designed for expanding Festool Basic tools or adding capacity for demanding shop and jobsite work, this Energy Set delivers dependable, high-output power throughout the workday. Four 5.0 Ah Li-HighPower battery packs are neatly stored in a Systainer³, providing the runtime professionals rely on to keep tools moving.
SYS 18V 4xHP5/TCL6DUO
5.0 Ah Li-HighPower battery packs are powerful all-around performers designed for a wide range of applications. Paired with the TCL 6 DUO rapid charger, two batteries can be charged simultaneously—keeping tools running longer and reducing downtime between tasks.
Like all Festool batteries and chargers, every component in this Energy Set is fully covered by Festool Service. That means dependable support, long-term reliability, and peace of mind—so you can stay focused on the work, not the power supply.
Li-HighPower cell technology delivers reliable power and long runtime across a wide range of Festool tools—ideal for applications that demand endurance and consistent performance.
The Systainer³ integrates seamlessly with Festool storage and vehicle racking systems, keeping batteries and chargers protected, organized, and easy to transport from shop to jobsite.
Bluetooth® automatically starts a paired Festool CLEANTEC dust extractor and provides detailed battery data through the Festool app, including charge status, temperature, and charge cycles.

































