LXT Lithium-Ion battery and optimum charging system produces 280% total lifetime work with 2x more cycles. Compact design at only 9 3/8in. length and weighs only 4.6 lbs. for less operator fatigue.Max. Torque (in.-lbs.) 560 Volts 18 Speed - No Load (RPM) 0-300/0-600/0-1,700 Chuck Size (in.) 1/2 Keyless Chuck Yes Reversible Yes Variable Speed Yes Side Handle Yes Battery Amp/Hour 3.0Ah Battery Included Yes, (2) LXT Lithium-Ion batteries Charger Included Yes, 45-minute charger Case Included Yes Additional Product Specs * Makita-built, 4-pole maximum torque motor delivers 560in.-lbs. of efficient torque in a compact size * Ergonomic shape fits like a glove with even pressure and easy control * LXT Lithium-Ion provides longer run time, 5x lower self-discharge (for use any time) and 16 firm holding contact terminals (for constant high power) * 45-minute Optimum Charger uses "Active 3 Control" for current control, thermal control & voltage control * Optimum Charger has a built-in fan to cool the battery to produce more lifetime work * Two built-in LED lights for more illuminated work * 3-speed design produces 25% faster working speed with more efficiency in a wider range of applications * 2-pc. armature and field along with externally accessible brushes for serviceability and longer motor life * Model BDF451
