Extremely powerful: 8.0 Ah for enormous endurance and power delivery even in the most demanding heavy-duty applications - 54% longer runtime than a 5.0 Ah standard battery pack. Extremely durable: This is ensured by the high-current-resistant cells. Rapidly charged: Thanks to Airstream technology, it is ready for use again in just 27 minutes. This is made possible by active cooling during the charging process. Practical: LED display for quick indication of the charge level. Safe: Surrounding frame made of soft soft-grip material to protect and securely support the machine on uneven surfaces. Comfortable: Bluetooth enables automatic starting of the Cleantec extraction unit when the battery-powered tool is turned on (requires the use of a Bluetooth-capable extraction unit). Smartly enhanced: The Festool WorkApp, in combination with the Bluetooth function of the battery pack, offers clever additional features, such as detailed display of the charge level and other operational data like temperature or charge cycles. To quickly and easily identify the battery with the lowest charge, the LED display can be made to flash directly on the battery pack. Software updates are also possible: Install the latest version to always work with the newest features of the tools. For worry-free everyday use: Naturally, the battery packs are fully covered by the Festool service. The strongest and most durable battery pack in the Festool portfolio: No matter which machine, no matter which application - the Li-HighPower battery pack ensures maximum performance and maximum endurance (54% longer runtime than a 5.0 Ah standard battery pack) even in heavy-duty applications. Like all Festool battery packs, it is perfectly matched to the brushless Festool EC-TEC motors - achieving an enormous efficiency and the highest output per battery charge.