Festool Energy Set Duo 18V 4.0Ah 577108

FestoolSKU: FES-577108

Sale price$365.00


Available starting May 12!

Two 18 volt 4.0 amp hour Li-HighPower Compact batteries and the TCL 6 DUO Rapid Charger provide the power and charging capacity needed for nearly any application. The included Systainer with custom foam insert provides safe and organized storage and transport for the charger and up to four batteries.

Li-HighPower Compact Batteries

Li-HighPower cell technology makes it powerful enough for every application, yet compact and lightweight. At just 1.2 pounds, it is 20% lighter and 50% more compact than a 5.2 Ah battery pack, but with 80% of the capacity.

Bluetooth connectivity

The new Bluetooth battery packs communicate with the Bluetooth module on the mobile dust extractor and ensure that even a cordless tool starts the mobile dust extractor automatically when switched on. This allows you to now benefit from Festool's entire dust-free system when working with Festool cordless products.

Airstream design

In combination with the SCA 8 AIRSTREAM rapid charger, battery parks are charged quickly and effectively with active cooling during the charging procedure.

On-board charge indicator

Integrated LED display on the battery pack provides you with the charge status at all times.

TCL 6 Duo Rapid Charger

The TCL 6 DUO Rapid Charger allows you to charge two battery packs simultaneously, key for all tools using the twin 18 volt battery system. Dual charging is convenient and allows both batteries to be ready at the same time with only a single outlet. Separate LED indicators show the current charge status for each battery.

Compatible with all slide-on Festool batteries, including Ergo batteries.


  • 5.4 kilograms 14.55 pounds
  • 4.0 amp hours
  • 18 volts
  • 2 x 6.0 ampere charging current

Scope of delivery

  • 2 x BP 18 Li 4.0 HPC-ASI battery pack
  • TCL 6 DUO rapid charger
  • Systainer SYS3 M 187 with custom organizational foam insert

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