The FESTOOL 578939 HighPower Battery Pack BP 18 Li 5.0 HP-ASI is the proven all-purpose battery for the Festool 18V cordless system, delivering exceptional power, extended runtime, and intelligent connectivity for demanding professional applications. Featuring advanced Li-HighPower cell technology, this upgraded 5.0 Ah battery provides up to 50% more power with Festool’s latest generation of high-performance tools, making it the ideal power source for saws, routers, grinders, and other heavy-duty cordless equipment.
Designed for everyday professional use, the BP 18 Li 5.0 HP-ASI balances high power output with practical runtime, ensuring consistent performance across a wide range of woodworking, construction, and remodeling applications. High-current-resistant cells deliver reliable energy under load while improving durability for demanding jobsite conditions.
When paired with the Festool AIRSTREAM SCA 16 Rapid Charger, active cooling technology cools the battery before and during charging, allowing recharge times of approximately 24 minutes while minimizing downtime and maximizing productivity.
Integrated Bluetooth® technology automatically activates compatible Festool CLEANTEC dust extractors whenever the cordless tool is switched on. Users can also monitor battery status, temperature, charge cycles, and additional diagnostics through the Festool App for smarter battery management.
An integrated LED charge indicator provides instant battery status, while the soft-touch perimeter protects both the battery and work surfaces during use. Backed by Festool Service, the BP 18 Li 5.0 HP-ASI delivers the reliability, performance, and intelligent features professionals depend on every da
Features
18V 5.0 Ah Li-HighPower Battery Pack – Professional cordless power for the Festool 18V platform
Advanced Li-HighPower Cell Technology – Delivers higher output and improved efficiency under load
Up to 50% More Power – Optimized for Festool’s latest high-demand cordless tools
Powerful 5.0 Ah Capacity – Provides an excellent balance of runtime and performance
High-Current Resistant Cells – Built for reliable everyday professional use
Consistent High-Performance Output – Maintains dependable power during demanding applications
Approximately 24-Minute Recharge Time – When paired with the Festool AIRSTREAM SCA 16 Rapid Charger
AIRSTREAM Cooling Technology – Actively cools the battery before and during charging for maximum efficiency
Integrated Bluetooth® Connectivity – Enables smart cordless system integration
Automatic Dust Extractor Activation – Starts compatible Festool CLEANTEC dust extractors automatically
Festool App Compatibility – Monitor battery charge level, temperature, and charge cycle history
Integrated LED Charge Indicator – Displays remaining battery charge at a glance
Soft-Touch Protective Housing – Protects tools and work surfaces while providing stable placement
Compatible with the Festool 18V System – Powers a wide range of professional cordless tools
Optimized for Brushless EC-TEC Motors – Maximizes efficiency and tool performance
Backed by Festool Service – Supported by Festool’s comprehensive warranty and service program
Professional-Grade Cordless Performance – Designed for woodworking, construction, and demanding jobsite applications
