Make sure this fitsby entering your model number. BL Motor delivers 0-4,000 RPM to handle a variety of drywall and framing applications Push Drive Technology – in lock-on mode the motor starts only when the fastener is engaged for a quieter work environment and to save battery power The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life Integrated L.E.D. battery charge level indicator allows user to monitor battery charge 18V LXT Lithium-Ion 4.0Ah battery BL1840B provides up to 35% more run time per charge compared to BL1830 18V LXT Lithium-Ion 4.0Ah battery BL1840B reaches full charge in 40 minutes or less
