Li-ion Battery, Strong Power, Strong Torque, More work time 3.6V,3.5Nm,No-load speed: 200r/min. Cordless Screwdriver Can carve ... on the label .3.6V with Magnet, F/R Switch, LED Work Light 3.6V Cordless Screwdriver,1000mA Li-ion battery or 1300mA Li-ion ... Battery.No-load speed: 200 r/min ...