Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    Vernon Hills, IL
    (800) 289-2237
    Vernon Hills, IL
    Home
    Sign in / Register
    • Quick Order
    • Quotes
    • Promotions
    • Careers
    • Help
    • Contact
    Mobile app

    Why Shop With Us?

    • Lorry and clock graphic

      BUY "YOUR WAY"

      Order by 24/7 by web, contact our sales reps or call by phone.

    • Shopping bag with heart graphic

      One Stop Shop

      What you need, when you need it, all in one place.

    • Trolley graphic

      Next Day Delivery

      Most orders ship same day.

    • Supprt headphone graphic

      Expert Support Team

      Advice and support from knowledgeable professionals.

    Need help? Call(800) 289-2237

    Company Information

    • About Our Company
    • Who is Reinhold Würth?
    • Contact Us / Locations
    • Return Policy
    • Shipping Policy
    • Careers
    • Sales Tax and Exemption
    • Credit Application
    • ACH / e-Check Registration
    • Terms & Conditions
    • Privacy Notice
    • Accessibility Statement
    • Help
    • FAQ
    • Pay Invoices Online

    Shop With Us

    • Shop by Brand
    • Clearance
    • Daily Discounts
    • Catalogs
    • Vendor Literature
    • Download Our Mobile App

    Services

    • SAM.gov - CAGE Code: 1UXJ6
    • Architects & Designers Portal
    • ORSY - Inventory Management Solution
    • Machinery

    Contact

    • Toll-free (800) 289-2237
    • Website Support (800) 944-2237 x4444
    • Support via Text / SMS (800) 289-2237
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    • Our Blog (opens in a new tab)
    • LinkedIn (opens in a new tab)
    • Facebook (opens in a new tab)
    • Instagram (opens in a new tab)
    • YouTube (opens in a new tab)
    • TikTok (opens in a new tab)
    • Pinterest (opens in a new tab)
    • X (formerly Twitter) (opens in a new tab)
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    Approved US Government VendorCage Code: 1UXJ6

    Copyright © 2004-2026, Würth Baer Supply Company. All Rights Reserved.

    Terms & ConditionsPrivacy NoticeAccessibilityDo Not Sell My Personal InformationWürth ComplianceSite FeedbackSitemap
    Festool®
    1. Home
    2. Woodworking Tools and Equipment
    3. Power Tools
    4. Festool®
    Item # FJ578939 • Mfr # 578939

    18V 5.0Ah Battery, High Power 578939

    Description

    • Li-HighPower cell technology ensures reliable power delivery, even for high-demand applications
    • High-current-resistant cells are engineered for durability, helping the battery withstand demanding, everyday use.
    • When used with the Festool app, Bluetooth® functionality provides access to detailed battery data including charge level, temperature, and charge cycles.
    • Soft-touch perimeter protects the tool and provides a secure resting surface, even on sloped or uneven work areas.
    • Integrated LED indicators display the current charge level anytime.
    • Includes: Bluetooth® lithium-ion (Li-ion) battery pack with AIRSTREAM function

    Packing & Sold In: 1 Each


    Amp Hour
    5.0 Ah
    Battery included
    Yes
    Charger included
    No
    Product Type
    Battery
    Voltage
    18 V
    Number of rechargeable batteries/batteries
    1
    Supplier Pack Size
    1
    Sold In
    1
    Amp Hour
    5.0 Ah
    Battery included
    Yes
    Charger included
    No
    Product Type
    Battery
    Voltage
    18 V
    Number of rechargeable batteries/batteries
    1
    Supplier Pack Size
    1
    Sold In
    1
    0Cart
    0Cart
    Festool
    $85.00/Each
    Item # FJ578939 • MFR # 578939
    18V 5.0Ah Battery, High Power 578939
    Item# FJ578939 / MFR Part # 578939
    Each
    Each
    Backorder

    Sold In: 1 Each

    Each