18v 4.0Ah Tabless Battery Pack BP18TBX 4 C-ASI

FULL POWER, LOW WEIGHT: 4.0 Ah tabless Li-Ion battery pack delivers maximum output across demanding applications at only 600 g — no compromise between capacity and handling TABLESS CELL TECHNOLOGY: Optimised energy flow from tabless cells provides consistent power, lower heat generation, and longer battery service life compared to conventional cell designs FAST RECHARGE CAPABILITY: Low heat build-up allows immediate recharging after use — with the AIRSTREAM SCA 16 fast charger (sold separately), the battery is ready again in 25 minutes BLUETOOTH & APP INTEGRATION: Built-in Bluetooth enables automatic start of a compatible Festool vacuum when the tool is switched on and connects to the Festool app for detailed charge, temperature, and cycle monitoring RELIABLE IN ALL CONDITIONS: Performs dependably at extreme temperatures, features an LED charge indicator for real-time status checks, and is protected by an all-round soft-grip frame for safe machine support