The Makita 18V LXT Li-ion 4.0Ah battery, BL1840B-L, charges faster and works longer than standard Li-ion batteries, giving you and your cordless tools unmatched performance and productivity to take on the most demanding applications.
The Makita 4.0Ah battery combines more run time (33% more run time per charge than the Makita BL1830 3.0Ah battery) with a category-leading charge time of only 36 minutes, so it spends more time working and less time sitting on the charger. For added convenience, it also features an L.E.D. charge level indicator to monitor battery charge. The BL1840B-L resists self-discharge so it is ready for use even after long periods of little to no usage.
Features:
- Integrated L.E.D. battery charge level indicator allows user to monitor battery charge
- Up to 33% more run time per charge compared to BL1830
- Fast 40 minute charging time
- Battery delivers consistent power and run time in extreme temperatures, even in winter (-20°C)
- 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
- Sensitive electronics are protected with a thick gel coating, preventing damage against dust and moisture
- Star protection computer controls - includes overload protection, over-discharge protection and over heat protection
- The battery and tool communicate, protecting your tool and battery from overload by cutting power when put under abnormally high current draw
- If the battery reaches a certain level of heat it will cut power to the tool, protecting the tool and battery from overheating
Specifications:
- Voltage: 18V
- Amp hour: 4.0Ah
- Cell type: Lithium-Ion
- Charging time: 36 minutes
- Weight: 0.6kg
 "Makita BL1840B-L 18V 4.0Ah Li-ion Cordless Battery with Gauge")
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