Festool BP 18 Li 18V 5.0Ah ASI Bluetooth Battery 577660 Pack of 2

Features:

Convenient: Bluetooth® enables the CLEANTEC mobile dust extractor to be started automatically when the cordless tool is switched on (use of a Bluetooth®-compatible mobile dust extractor is required)
For stress-free work: The battery packs are, of course, completely covered with Festool Service
Powerful all-rounder: 5.0 Ah battery packs for endurance and power development for all applications
Practical: LED display quickly shows the remaining battery capacity
Quicker charging: In combination with the SCA 8 AIRSTREAM rapid charger, the battery pack is charged quickly and effectively with active cooling before and during the charging procedure
Safe: All-round frame made from soft-grip material for protecting the machine and setting it down safely on inclined surfaces
With smart extensions: The Festool WorkApp enables clever additional functions in combination with the Bluetooth® function of the battery pack, such as the detailed display of the charging status and further operating data such as temperature or charging cycles. To quickly and easily identify the battery with the lowest charge status, you can flash the LED indicator directly on the battery pack. Software updates are also possible: Install the newest version to work with the latest tool functions at all times

Product Specification: