Makita BL1840BDC1 18V LXT 4 Ah Lithium-Ion Compact Battery and Rapid Charger Kit

Makita Model: mktnbl1840bdc1
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Makita BL1840BDC1 18V LXT 4 Ah Lithium-Ion Compact Battery and Rapid Charger Kit Makita Model: mktnbl1840bdc1
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Product Features & specs :

Makita BL1840BDC1 18V LXT 4 Ah Lithium-Ion Compact Battery and Rapid Charger Kit


The Makita 4 Ah Lithium-Ion Battery combines more run time - 35% more run time per charge than the Makita BL1830 battery - with a category-leading charge time of only 40 minutes, so it spends more time working and less time sitting on the charger. The Rapid Optimum Charger offers key advantages for Makita 18V Lithium-Ion cordless tool users.


  • Integrated LED battery charge level indicator allows user to monitor battery charge.

  • Provides up to 35% more run time per charge compared to BL1830

  • Reaches full charge in 40 minutes or less

  • Compatible only with Star Protection tools, indicated by the Star Symbol and/or Yellow Battery Receiver under the tool

  • Battery delivers consistent power and run time in extreme temperatures, even in winter

  • Equipped with Star Protection Computer Controls to protect against overloading, over-discharging and over-heating

  • Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery

  • Sixteen contact terminals maintain a constant connection with the tool to help prevent power loss or fluctuation, even during high-vibration applications

  • Battery resists self-discharge and remains ready for use even after long periods of storage

What’s Included:

  • (1) 18V LXT 4 Ah Compact Lithium-Ion Battery - BL1840B

  • 18V LXT Lithium-Ion Rapid Optimum Charger - DC18RC

UL Safety


Compatible With

18V LXT Power Tools

Battery Type


Compatible Models

18V LXT Power Tools

Battery Included




Recharge Time

40 Minutes

Battery Amp Hour

4 Ah



Battery Style




ETL Safety


Battery System



11 in.


11.75 in.


3.75 lbs.

Warranty Term

3 Year

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Q & A :


Warranty Information

Makita LXT Lithium-ion Tool Warranty

Every Makita® Lithium‐Ion Power Tool is thoroughly inspected and tested before leaving the factory. If you are not satisfied with any Makita Lithium‐Ion tool within 30 days of purchase, return it and Makita will provide, at Makita's option, a replacement or refund. Each Makita Lithium‐Ion Power Tool, Battery and Charger is warranted to be free of defects from workmanship and materials for the period of THREE YEARS from the date of original purchase. Should any trouble develop during the three‐year period for the Lithium‐Ion Power Tool, Battery and/or Charger, return the COMPLETE Power Tool, Battery and/or Charger, freight prepaid, to one of Makita's Factory or Authorized Service Centers.

If inspection shows the trouble is caused by defective workmanship or material, Makita will repair (or at our option, replace) without charge. This warranty does not apply to Makita Accessories, like flashlights.

This Warranty does not apply where:

  • Repairs have been made or attempted by others
  • Repairs are required because of normal wear and tear
  • The tool has been abused, misused or improperly maintained
  • Alterations have been made to the tool

  • In no event shall Makita be liable for any indirect, incidental or consequential damages from the sale or use of the product. This disclaimer applies to both during and after the term of this warranty. Makita disclaims liability for any implied warranties, including implied warranties of "merchantability" and "fitness" for a specific purpose, after the three-year term of this warranty. This warranty gives you specific legal rights, and you many also have other rights which vary from state to state. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.