model | 42VF heavy loadstyle | 18V industrial style | 12V reinforcementstyle |
Motor | Lengthening and increasing the pure copper motor | Lengthening and increasing the pure copper motor | Pure copper motor |
battery | 5 knots 1500mha battery | 4knots 1500mha battery | 3knots 1500mha battery |
Endurance | About 90min | About60min | About40min |
frequency | 0-35N/M high torque | 0-28N/M high torque | 0-25N/M high torque |