Festool 18V Li-Ion 4.0 Ah Airstream Bluetooth High Power Battery Pack

• Effortless work: At just 600 g, it is 20% lighter and 50% more compact than a 5.2 Ah battery pack
• Full power: Thanks to the Li-HighPower cell technology, it is powerful enough for every application
• Extremely durable: The high-current-resistant cells ensure durability
• For stress-free work: The battery packs are, of course, completely covered with Festool Service
• Dust extraction starts automatically: The Bluetooth® version automatically starts the connected mobile dust extractor when the tool is switched on
• Bluetooth® lithium-ion (Li-ion) battery pack with AIRSTREAM function for all Festool 18 V cordless tools (except CXS, TXS, ETSC 125, RTSC 400, DTSC 400)
• Bluetooth® enables the CLEANTEC mobile dust extractor to be started automatically when the cordless tool is switched on (Bluetooth®-compatible mobile dust extractor is required)

The lithium high-power compact battery packs: Effortless work thanks to the weight of 600 g. This makes it 20% lighter and 50% more compact than a 5.2 Ah battery pack – saving on weight, but not on performance. Thanks to the lithium high-power cell technology, it is powerful enough for every application. And, of course, with Festool Service, the product is completely covered.