The Festool Bluetooth® 18V 3.0Ah battery pack is specially designed for use with Festool cordless sanders, offering maximum freedom of movement in combination with smart dust extraction. Special featuresCommunicates via Bluetooth® with compatible Festool CLEANTEC dust extractors for automatic start Powerful 18 V battery pack with long runtime thanks to brushless EC-TEC motor Lightweight and ergonomic design, ideal for prolonged sanding Charge status indicator for immediate battery capacity control Uninterrupted work possible in combination with plug it mains adapter Not compatible with all other Festool cordless machines Ideal for use with RTSC 400, ETSC 125, and DTSC 400 Technical dataVoltage: 18 V Capacity: 3.0 Ah Weight: 0.4 kg Technology: Bluetooth® Standard accessories included1x Festool Bluetooth® battery pack 18V 3.0Ah