The Makita BFR750 Autofeed Screwdriver is lighter, more powerful, and compact than most brands on the market because of the tools integrated autofeed design. The BFR750 is equipped with LXT Lithium-Ion battery and optimum charging system that produces 430% more lifetime work with 2.5x more cycles. The 30-Minute Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature. The charger has a built-in fan to cool the battery to produce more lifetime work.