Festool 578675 Energy Set SYS 18V 4xHP5/TCL6DUO is a comprehensive power solution designed to expand your cordless system or enhance the capacity of Festool Basic tools. Featuring four 5.0 Ah Li-HighPower battery packs, this set ensures extended runtime to keep multiple tools operating efficiently throughout the day. The high-current-resistant cells deliver consistent and reliable power across a wide range of demanding shop and jobsite applications, especially when paired with Festool’s latest cordless tools. Included in the set is the TCL 6 DUO rapid charger, capable of charging two batteries simultaneously, which minimizes downtime and reduces the need for multiple chargers or outlets on busy worksites. All components are neatly organized and protected within a SYS3 Systainer, making transport, storage, and integration into the Festool Systainer system effortless. for professionals seeking efficient power management, faster workflows, and long-term reliability, this Energy Set is fully supported by Festool Service for complete peace of mind. Model Number: 578675