MAKITA 18V 5.0AH LI-ION CORDLESS BATTERY W/ GAUGE

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&degC)
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