The Makita 18V LXT® Lithium-Ion Cordless 4-Piece Combo Kit (XT439PMB) is a complete solution for the pro-user who demands best-in-class Lithium-Ion cordless tools for drilling, driving, hammer-drilling, fastening, and cutting. For increased efficiency, the kit includes the ground-breaking 18V Dual Port Charger that delivers industry-leading battery charge times, two batteries at a time. For added convenience, each BL1830B battery features an integrated L.E.D. battery charge level indicator. It’s part of Makita’s expanding 18V Lithium-Ion series, the world’s largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery. Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created Star Protection Computer Controls™. Star Protection is communication technology that allows the Star Protection-equipped tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. For increased versatility, the tool can also be powered by Makita 18V LXT® and Compact Lithium-Ion batteries with the star symbol on the battery indicating Star Protection inside. The XT439PMB includes the world’s first cordless 7-1/4” circular saw powered by two 18V batteries. The XSH01Z delivers the power and run time for corded demands, but without leaving the 18V battery platform. The kit also includes the 18V LXT® Brushless 1/2” Hammer Driver-Drill with a full 1,090 in. lbs. of Max Torque for the most demanding applications. The combination of category-leading torque, efficient brushless motor technology, and the fast-charging 4.0Ah battery means users will experience unmatched performance and efficiency. The 18V LXT® Impact Driver weighs only 3.3 lbs. yet delivers a full 1,420 in.lbs. of Max Torque for fastening and driving applications, and the 18V LXT® L.E.D. Flashlight with 200 lumens offers convenient and portable illumination. The 18V Dual Port Charger will charge two 4.0Ah batteries at the same time in only 40 minutes (two 5.0Ah batteries in 45 min., two 3.0Ah batteries in 30 min., sold separately), and the on-board USB Port will charge portable electronic devices. 18V LXT® 4.0Ah batteries (BL1840 and BL1840B) are compatible only with Star Protection tools, indicated by the Star Symbol™ and/or Yellow Battery Receiver under the tool.