Festool 578946 SYS 18V 4xTBX4/TCL6DUO Energy Set
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For all 18-volt devices (except ETSC 125, RTSC 400, DTSC 400)
Contains
4x Tabless Battery Pack BP 18 TBX 4 C-ASI
1x Rapid Charger
1x Systainer3 SYS3 M 187
Functions
Four batteries. One system. Zero downtime.
The Festool Energy Set is a powerful, ready-to-go solution for expanding your cordless system or equipping Festool Basic tools with premium power from day one. Built around Festool’s latest TBX tabless battery technology, this set delivers high output, fast charging, and smart system integration—ideal for demanding jobsite and shop applications. The set includes four BP 18 TBX 4.0 Ah tabless batteries, providing ample runtime to keep multiple tools working throughout the day. The TCL 6 DUO rapid charger charges two batteries simultaneously, reducing downtime and eliminating the need for multiple chargers or additional outlets—especially valuable on busy jobsites or in mobile setups. Everything is neatly organized and protected in a SYS3 M 187 Systainer, making the set easy to transport, store, and integrate into the Festool Systainer system. Whether you’re building out a cordless platform or adding capacity to an existing setup, this Energy Set delivers efficient power management, faster workflows, and dependable performance—fully backed by Festool Service for long-term confidence.
- Lightweight power for reduced fatigue: TBX 4 battery packs deliver full output in a compact, lightweight design—helping reduce fatigue during extended work without sacrificing performance.
- Maximum power for demanding applications: Advanced tabless cell technology improves energy flow and reduces internal resistance, delivering strong, consistent power even under heavy load.
- Extended battery service life: Lower heat generation places less stress on the cells, helping extend battery lifespan and maintain performance over time.
- Automatic dust extraction start: Bluetooth®-enabled batteries automatically start a paired Festool CLEANTEC dust extractor when the cordless tool is stwitched on.
- Smart battery management: When used with the Festool app, Bluetooth® functionality provides access to detailed battery data including charge level, temperature, and charge cycles.
- Charge two batteries at once: The TCL 6 DUO rapid charger charges two battery packs simultaneously, maximizing productivity and minimizing downtime. Compatible with Festool battery packs from 10.8 V to 18 V (except BP-XS for CXS/TXS and MXC chargers). Covered by Festool Service: All batteries and the DUO rapid charger are fully covered by Festool Service for long-term reliability and peace of mind.
- Expand your system with high-capacity power for the workshop or jobsite
Utilization
Main applications
- Ideal for powering multiple Festool 18V cordless tools in the shop or on the jobsite