Special featuresWork tirelessly: with the TBX 4 batteries for full power at a low weightFull power: Tabless cell technology delivers maximum power, even in demanding applicationsLong service life: The low heat development of the tabless cells extends the service life of the batteriesExtraction starts automatically: the Bluetooth® batteries automatically start a paired mobile dust extractor when the power tool is switched onSmartly extended: In combination with the Bluetooth® function of the battery, the Festool App enables smart additional functions, e.g. detailed display of the charge status and other operating data such as temperature or charging cyclesCharge two simultaneously: the DUO rapid charger charges two batteries absolutely simultaneously. It is suitable for all batteries from voltage classes 10.8V to 18V (except: BP-XS for CXS/TXS and charger MXC)Fully protected. Of course, the DUO charger and all battery packs are also fully covered by Festool Service Technical dataCapacity: 4.0 AhVoltage (nominal voltage): 18 VCharging current: 2 x 6.0 AInput voltage: 220 - 240 VProduct weight without accessories: 5.4 kg Standard equipment4 × tabless battery BP 18 TBX 4 C-ASrapid charger TCL 6 DUOSystainer SYS3 M 187