Makita 18V Li-Ion Battery 5Ah - BL1850B

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The Makita BL1850B 18V 5.0Ah Li-Ion Battery charges faster and gives you longer runtimes than normal Lithium-Ion battery packs. The Makita 18V 5.0Ah Li-Ion Battery gives you unmatched performance and productivity on the jobsite and at home, with built-in shock absorbers that protect the cells from jobsite conditions.

The Makita 18V 5.0Ah Li-Ion Battery provides industry-leading run and charge times, with a charge time of only 45 minutes from empty to full. It also features an LED fuel gauge so you can monitor the battery's charge level without plugging it into a tool.


  • Built in memory chip communicates the usage history with the charger
  • Built in shock absorbers protect the cells from jobsite conditions
  • High energy cells pack more power per cell to reduce number of cells and overall weight
  • Large release button for easy removal from the tool
  • Built in air vents and wall cools the battery cells evenly whilst blocking damaging debris
  • 16 contact terminals provide consistent power and firm hold in any environment
  • Cell Capacity: 5.0Ah
  • Charge Time: 45mins w/DC18RC
  • Net Weight: 615g
  • Voltage: 18V


  • Battery Voltage: 18V


Write a Review
  • 5
    Working well

    Posted by Andrew Greig on 4th Mar 2023

    All good

  • 5
    Makita 5A hour batteries

    Posted by Grady on 7th Nov 2022

    Usual high standard and reduced in price by about a third

  • 5
    Makita 5 ah 18v battery lithium ion

    Posted by Anthony on 6th Oct 2022

    Great product at the best price.