Powerful all-rounder: 5.0 Ah battery packs for endurance and power delivery in all applications. Fast charging: When used with the AIRSTREAM fast charger SCA 8, the battery charges quickly and effectively with active cooling before and during the charging process. Convenient: LED display for quick indication of remaining capacity. Safe: Surrounding frame made of soft soft-grip material to protect and securely support the machine on sloped surfaces. Comfortable: Bluetooth enables automatic starting of the CLEANTEC extraction unit when the battery tool is turned on (requires a Bluetooth-capable extraction unit). Smart expansion: The Festool WorkApp, in combination with the Bluetooth function of the battery pack, offers clever additional features, such as detailed display of charge status and other operational data like temperature or charge cycles. To quickly and easily identify the battery with the lowest charge, the LED display on the battery pack can be made to blink. Software updates are also possible: Install the latest version to always work with the tools' features. For a worry-free everyday experience: Naturally, the battery packs are fully covered by the Festool service. Suitable for all applications and machines in the Festool 18 V portfolio, the 5.0 Ah battery pack provides sufficient power for all tasks. The powerful all-rounder impresses with excellent output quantities and long runtimes per charge. This is ensured by the perfect interaction of the battery pack with brushless EC-TEC motors. Thanks to AIRSTREAM technology, it is actively cooled during charging with the AIRSTREAM fast charger, making it extremely quick to be ready for use again with maximum possible charging power. Equipped with Bluetooth, it automatically starts a paired extraction unit when the battery tool is switched on.