Suitable for all applications and machines in the Festool 18V range. Thanks to 'Airstream' technology, the battery pack is actively cooled in combination with the 'Airstream' rapid charger (sold separately), before and during the charging procedure, meaning that it is ready for use again extremely quickly with maximum charging power. Equipped with Bluetooth, which enables Bluetooth-compatible mobile dust extractors such as the 'Cleantec' to start automatically when the cordless tool is switched on. LED display quickly shows the remaining battery capacity. Used in combination with the Bluetooth function of the battery pack, Festool WorkApp enables additional functions, including detailed display of charging status, operating data such as temperature or charging cycles, and also identification of the battery with the lowest charge status. Software can be updated to work with the latest tool functions. Works with - iOS App - Android App Airstream Technology Bluetooth Equipped Hub Not...