Festool Tabless Battery Pack with Bluetooth and Airstream 18V 4Ah 578745

The Festool TBX 4 Tabless Battery is built to deliver more power with less heat buildup, giving cordless tools stronger and more consistent performance in demanding applications. Featuring Festool’s latest tabless cell technology, the battery improves energy flow by eliminating traditional cell tabs, helping increase power transfer while reducing internal resistance and heat generation. Lightweight performance with Festool's TBX 4 Tabless Battery Despite its powerful output, the TBX 4 Compact Battery remains lightweight and balanced at just 1.3 pounds. Its compact design helps reduce fatigue during extended use while maintaining the performance needed for medium to high demand applications where control and handling are important. Cooler operation and faster charging The optimized tabless cell design allows the battery to generate less heat during operation and charging. Because of this reduced heat buildup, the battery can be recharged immediately after use without requiring a cooling phase. When paired with the Festool AIRSTREAM SCA 16 quick charger, active cooling before and during charging enables recharge times of approximately 25 minutes, helping reduce downtime and keep work moving. Intelligent connectivity with the Festool TBX 4 Tabless Battery Integrated Bluetooth functionality adds smart connectivity to the TBX 4 battery system. When connected to a compatible Festool cordless tool, the battery can automatically start a paired Festool CLEANTEC dust extractor as soon as the tool is switched on. Through the Festool app, users can also monitor detailed operating information including charge level, temperature, and charge cycles, while regular software updates help keep connected tools and batteries up to date. Festool TBX 4 Tabless Battery is designed for long term reliability Lower heat generation helps reduce stress on the battery cells, supporting extended battery service life and dependable performance over time. The TBX 4 battery is designed to maintain stable output in both hot and cold working environments, making it reliable across a wide range of jobsite conditions. Integrated LED indicators provide clear charge status visibility at any time, while the soft touch perimeter helps protect tools and creates a secure resting surface on uneven or sloped areas. Compact, intelligent, and built for demanding cordless applications, the Festool TBX 4 Tabless Battery combines high output, rapid charging, and smart battery management in a familiar form factor. Replaces 205036.