Delivering more runtime (up to 33%) than a 3.0 amp hour battery without adding weight or bulk, Makita 4.0 amp hour slide-style lithium ion batteries are loaded with features, including over-discharge, temperature and current protection. These batteries are also equipped with a memory chip that communicates with the charger for fast, optimized charging.
Makita 4.0 Ah batteries 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 provides over-discharge, temperature and current protection for enhanced performance, battery cycle life and overall battery life (when used with STAR marked tool)
Optimum charging system uses three active controls current, voltage and temperature to maximize battery life
Built-in memory chip communicates with charger to optimize the charging process based on the unique conditions of each battery
- Voltage: 18 volts
- Cell type: Lithium ion
- Amp hour: 4.0 Ah
- Model: BL1840
- Individual part number: 196401-9
- Quantity: 2
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