1.Ultra-powerful battery is 2 times of common battery;
2.Chargeable design makes operation more convienient;
3.Digital setting display control function;
4.Tightening/loosening repeatability is less than 3%;
5.Quick charge function, charging time less than 60 minutes;
6.Equipped with latest digital torque control system to ensure the accuracy of setted torque;
7.ABS strong case, easy to trasport and store;
8.Standard set includes two pcs of 28V super-powerful Li battery.