1, battery voltage: 18 V Ni-Cd or Ni-Mh, 2, battery capacity: 1.2/1.3../3.0Ah, 3, keyless chuck: 13 mm - more info check here: http://www.buyindustrialtools.com/Electric-Drills-TD8321-10253650/
Quick Brief
Place of Origin: China (Mainland)Model Number: TD8321Drill Type: Hammer DrillNo-Load Speed: 0-400/0-1400/MINRated Voltage: 18V