Extremely powerful: 8.0 Ah for enormous endurance and power delivery in applications with the highest power requirements. Full power: Tabless cell technology delivers maximum power even in demanding applications. Durable: The low heat development of the tabless cells extends the service life of the batteries. Hot or cold: Tabless batteries are reliably ready for use even in extreme temperatures. Shorter charging cycles: The batteries can be recharged immediately after use due to their low heat generation. Lightning-fast charging: Ready for use again in 25 minutes thanks to the Airsteam SCA 16 quick charger. This is made possible by active cooling during the charging process. Practical: LED display shows the current charge status of the battery pack at all times. Safe: All-round frame made of soft grip material to protect and secure the machine on sloping surfaces. Convenient: Bluetooth enables the CLEANTEC vacuum cleaner to start automatically when the cordless tool is switched on (provided a Bluetooth-enabled vacuum cleaner is used). Smart extensions: In combination with the Bluetooth function of the battery pack, the Festool app enables clever additional functions, such as a detailed display of the charge status and other operating data such as temperature or charge cycles. For carefree everyday use: It goes without saying that the battery packs are also fully covered by Festool Service. The most powerful and long-lasting battery pack in the Festool portfolio: No matter which machine, no matter which application - the TBX 8 with tabless technology ensures maximum performance and endurance even in heavy-duty applications. The tabless cells make it possible: lower heat generation, longer runtimes and faster charging times. Thanks to Airsteam technology, the battery pack is actively cooled with the Airstream SCA 16 quick charger before and during the charging process and is ready for use again extremely quickly.