Makita 18V 4.0 Ah Battery

Reg. $119.99 Special Price $109.95
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Model#: 196401-9
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Delivering up to 33% more runtime than a 3.0 amp hour battery without adding weight or bulk, this Makita 4.0 amp hour slide-style lithium ion battery is loaded with features. It's equipped with over-discharge, temperature and current protection, and its built-in chip communicates with the charger for fast, optimized charging.

  • 4.0 Ah battery offers 33% increased runtime versus 3.0 Ah batteries with no added weight or bulk
  • LED charge level indicator displays approximate remaining battery power
  • Battery protection system protects against over-discharge and extreme temperature and current for enhanced performance, battery cycle life and overall battery life (when used with STAR marked tool)
  • Optimum charging system utilizes three active controls—current, voltage and temperature—to maximize battery life
  • Built-in memory chip communicates with charger CPU to optimize the charging based on the unique conditions of each battery


  • Product: Battery pack
  • Manufacturer: Makita
  • Model: BL1840B
  • Part number: 196401-9
  • Voltage: 18 volts
  • Cell type: Lithium ion
  • Capacity: 4.0 amp hour