Description 22 minute charge time with the air cooled Makstar Optimum Charging System. Lithium-ion batteries have greater life spans than their Ni-MH or Ni-Cad counterparts giving 430% greater run time. Lithium-ion’s 40% weight saving means 18 volt power can be obtained by a battery that weighs the same as a 12 volt Ni-MH battery. Keyed chuck. 4 pole motor. Conveniently located push button for forward and reverse. High comfort grips. Large trigger. LED job light with afterglow.