Battery description: 2 x 1.3ah ni-cad. Technical data: max in steel: 10mm. max in wood: 21mm. torque settings s/h nm: 16 plus drill. max torque: 14/24nm. max. size wood screw: no. 10. no load speed: h: 0-1300 l: 0-400. charging time: 30 minutes. net weight: 1.5kgs. Features 2 mechanical gears. electric brake. forward / reverse rotation. variable speed trigger.