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