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Milwaukee M18 B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

MILM18B4X3

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    Description

    Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

    The Milwaukee M18B4 REDLITHIUM™ batteries are designed to deliver improved runtime, power and durability compared to previous lithium-ion technologies. Built for reliability in demanding environments, they feature advanced protection systems and robust construction to maximise performance and battery lifespan across all M18™ tools.

    M18B4 Features:

    • REDLITHIUM™ technology for increased runtime and power
    • REDLINK™ digital overload protection for tool and battery safety
    • Individual cell monitoring for optimal charge and discharge cycles
    • Durable metal frame construction for improved longevity
    • Shock responsive separators reduce damage from vibration and drops
    • Water protection design directs moisture away from electronics
    • Operates in temperatures as low as -20°C
    • On-board fuel gauge for charge status indication
    • Compatible with all Milwaukee M18™ tools

    M18B4 Specifications:

    • Voltage: 18V
    • Capacity: 4.0Ah
    • Battery type: Lithium-ion
    • System: M18™
    • Charge time: 52–80 minutes (depending on charger)

    What is included:

    • 3x Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Batteries
    See Full Description

    Milwaukee M18 B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

    MILM18B4X3

    137.97 133.83 Sale
    £137.97

    You Save £4.14

    £133.83
    inc VAT
    £111.52
      ex.VAT
    Qty:
    Adding to basket… The item has been added
    We aim to dispatch within 3-5 working days.
    Free delivery for UK mainland orders over £100.
    Flexible Credit Find out more

    Clearpay logoKlarna logoV12 logo

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    Product Description

    Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

    The Milwaukee M18B4 REDLITHIUM™ batteries are designed to deliver improved runtime, power and durability compared to previous lithium-ion technologies. Built for reliability in demanding environments, they feature advanced protection systems and robust construction to maximise performance and battery lifespan across all M18™ tools.

    M18B4 Features:

    • REDLITHIUM™ technology for increased runtime and power
    • REDLINK™ digital overload protection for tool and battery safety
    • Individual cell monitoring for optimal charge and discharge cycles
    • Durable metal frame construction for improved longevity
    • Shock responsive separators reduce damage from vibration and drops
    • Water protection design directs moisture away from electronics
    • Operates in temperatures as low as -20°C
    • On-board fuel gauge for charge status indication
    • Compatible with all Milwaukee M18™ tools

    M18B4 Specifications:

    • Voltage: 18V
    • Capacity: 4.0Ah
    • Battery type: Lithium-ion
    • System: M18™
    • Charge time: 52–80 minutes (depending on charger)

    What is included:

    • 3x Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Batteries

    Specification

    pdp:https://store-hczpll0y.mybigcommerce.com/content/Thumbnails/Redemptions/Milwaukee_M18Offer_2_PDP.webp
    pdp_link:https://www.toolden.co.uk/tool-brands/milwaukee/
    promo-box:https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/original/image-manager/toolden-blankimage.png
    brand-name-xt:https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/320w/image-manager/milwaukee-authorised-distributor-logo-sticker-landscape.jpg?t=1707395523
    Voltage:18V
    Battery Capacity:4.0Ah
    Country of Origin:United Kingdom
    brand-link-xt:https://www.toolden.co.uk/tool-brands/milwaukee/
    promo_image:https://store-hczpll0y.mybigcommerce.com/product_images/Mil_Free5ahBatt_1200-100%20%281%29.webp
    promo_description:Spend £500 (Inc. VAT) on any Milwaukee M18 Tool, Storage, Clothing or Accessories and enter code FREEM18B5 at checkout.
    promo_claim:Enter code FREEM18B5 at checkout when you reach the qualifying spend and your FREE battery will automatically be added at checkout.
    promo_valid:Ends 31st August 2026 or while stocks last.
    promo_btn_link:https://www.toolden.co.uk/tool-brands/milwaukee/
    promo_terms:https://www.toolden.co.uk/promotions-terms-conditions/

    Frequently Asked Questions

    Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

    The Milwaukee M18B4 REDLITHIUM™ batteries are designed to deliver improved runtime, power and durability compared to previous lithium-ion technologies. Built for reliability in demanding environments, they feature advanced protection systems and robust construction to maximise performance and battery lifespan across all M18™ tools.

    M18B4 Features:

    • REDLITHIUM™ technology for increased runtime and power
    • REDLINK™ digital overload protection for tool and battery safety
    • Individual cell monitoring for optimal charge and discharge cycles
    • Durable metal frame construction for improved longevity
    • Shock responsive separators reduce damage from vibration and drops
    • Water protection design directs moisture away from electronics
    • Operates in temperatures as low as -20°C
    • On-board fuel gauge for charge status indication
    • Compatible with all Milwaukee M18™ tools

    M18B4 Specifications:

    • Voltage: 18V
    • Capacity: 4.0Ah
    • Battery type: Lithium-ion
    • System: M18™
    • Charge time: 52–80 minutes (depending on charger)

    What is included:

    • 3x Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Batteries
      pdp:https://store-hczpll0y.mybigcommerce.com/content/Thumbnails/Redemptions/Milwaukee_M18Offer_2_PDP.webp
      pdp_link:https://www.toolden.co.uk/tool-brands/milwaukee/
      promo-box:https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/original/image-manager/toolden-blankimage.png
      brand-name-xt:https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/320w/image-manager/milwaukee-authorised-distributor-logo-sticker-landscape.jpg?t=1707395523
      Voltage:18V
      Battery Capacity:4.0Ah
      Country of Origin:United Kingdom
      brand-link-xt:https://www.toolden.co.uk/tool-brands/milwaukee/
      promo_image:https://store-hczpll0y.mybigcommerce.com/product_images/Mil_Free5ahBatt_1200-100%20%281%29.webp
      promo_description:Spend £500 (Inc. VAT) on any Milwaukee M18 Tool, Storage, Clothing or Accessories and enter code FREEM18B5 at checkout.
      promo_claim:Enter code FREEM18B5 at checkout when you reach the qualifying spend and your FREE battery will automatically be added at checkout.
      promo_valid:Ends 31st August 2026 or while stocks last.
      promo_btn_link:https://www.toolden.co.uk/tool-brands/milwaukee/
      promo_terms:https://www.toolden.co.uk/promotions-terms-conditions/

      Toolden is a Milwaukee Authorised Distributor. As an authorised distributor we strive to offer the best aftercare experience and make sure our customers get access to professional advice and full warranty benefits. For full warranty details, please click the link below.

      More Info

      V12 finance options available on applicable baskets over £280

      Not right? Try one of these instead

      Promotion:

      Spend £500 (Inc. VAT) on any Milwaukee M18 Tool, Storage, Clothing or Accessories and enter code FREEM18B5 at checkout.

      How To Claim:

      Enter code FREEM18B5 at checkout when you reach the qualifying spend and your FREE battery will automatically be added at checkout.

      Offer Valid:

      Ends 31st August 2026 or while stocks last.

      View All Eligible Products

      Terms & Conditions:

      To read the terms & conditions, please visit here.

      Adding to basket… The item has been added
      Milwaukee M18B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

      Milwaukee M18 B4 18V 4.0Ah REDLITHIUM™ Battery (3 Pack)

      MILM18B4X3

      £137.97
      £133.83
      inc VAT
      £111.52
        ex.VAT
      (You save £4.14 )
      Adding to basket… The item has been added
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