Energy Set SYS 18V 4xTBX4/TCL6DUO

Four batteries. One system. Less downtime.

Expand your Festool cordless system with the Festool Energy Set featuring four BP 18 TBX 4.0 Ah tabless battery packs, a TCL 6 DUO rapid charger and a SYS3 M 187 Systainer³. Designed for demanding professional applications, this set delivers high-output cordless power, convenient charging and organized transport in one complete package.

Featuring Festool's advanced tabless battery technology, the TBX 4.0 Ah batteries are engineered to provide strong, consistent power in a compact, lightweight design. Reduced internal resistance helps improve energy flow and manage heat during demanding applications, supporting reliable performance and long-term battery durability.

The TCL 6 DUO charger adds efficiency by charging two compatible battery packs simultaneously, helping keep your cordless tools ready for the next task. Bluetooth® connectivity also enables compatible batteries to automatically start a paired Festool CLEANTEC dust extractor when a connected cordless tool is switched on.

Everything is stored in the durable SYS3 M 187 Systainer³, making the set easy to transport, store and integrate with the Festool Systainer system.

Features

• Four 4.0 Ah TBX batteries: Provides additional cordless capacity for demanding workshop and jobsite applications.

• Advanced tabless cell technology: Designed to improve energy flow and reduce internal resistance for strong, consistent output.

• Compact, lightweight design: Helps reduce fatigue during extended use without sacrificing performance.

• Improved thermal management: Reduced heat generation helps minimize stress on battery cells during demanding work.

• Simultaneous dual charging: The TCL 6 DUO charger charges two compatible battery packs at once to help reduce downtime.

• Broad charger compatibility: Supports compatible Festool lithium-ion battery packs from 10.8V to 18V, with specified exceptions.

• Bluetooth® connectivity: Compatible batteries can automatically activate a paired CLEANTEC dust extractor when a connected cordless tool is switched on.

• Smart battery monitoring: The Festool app provides access to battery information, including charge level, temperature and charge cycles.

• Organized storage and transport: The SYS3 M 187 Systainer³ keeps the batteries and charger together for convenient mobility.

• Festool Service support: Batteries and charger are supported by Festool Service, subject to applicable terms and conditions.

Specifications

• Brand: Festool

• Product type: 18V battery and charger set

• Battery platform: Festool 18V

• Battery technology: Lithium-ion, tabless TBX

• Battery capacity: 4.0 Ah per battery

• Number of batteries: 4

• Charger: TCL 6 DUO rapid charger

• Charging capability: Charges two compatible batteries simultaneously

• Storage case: SYS3 M 187 Systainer³

• Weight: 11.90 lb

What's Included

• 4 × Festool BP 18 TBX 4 C-ASI 4.0 Ah tabless battery packs

• 1 × Festool TCL 6 DUO rapid charger

• 1 × Festool SYS3 M 187 Systainer³

Applications

• Expanding an existing Festool 18V cordless system

• Equipping compatible Festool Basic tools with batteries and charging equipment

• Professional construction and installation work

• Workshop and jobsite cordless applications

• Supporting multiple tools with a shared battery platform

Why Choose the Festool Energy Set?

Keep your cordless workflow moving with four lightweight, high-output batteries and a dual charger that can replenish two packs simultaneously. With advanced TBX tabless technology, Bluetooth® integration and convenient Systainer³ storage, this Energy Set is a practical power solution for professionals who rely on their Festool cordless tools every day.