18V 4.0 Ah Bluetooth Lithium Ion HighPower Battery with Airstream
When charged on an AIRSTREAM rapid charger, battery parks are charged quickly and effectively with active cooling during the charging procedure.
Integrated LED display on the battery pack provides you with the charge status at all times.
Bluetooth® enables the CT Dust Extractor to be started automatically when the cordless tool is switched on (Bluetooth® capability on the CT Dust Extractor is required)
For all Festool 18 V cordless tools (except ETSC 125, RTSC 400, DTSC 400)