K4 Dimension (L*W*H)=1000*600*800. Dimension. (footrests folded &handlebar removed). (L*W*H). =1000*300*600.
Wheel diameter 280mm. Sitting height 400mm. Net weight 55kg.
Safe cruising speed 20km/h. 0-50km/h acceleration 2.8s. Top speed 90 km/h^. No load speed 110km/h. Cruising Range 250 km in a real test ( 70kg rider at 20 km/h). Max load 200kg. Motor 3500watt*2. Battery 4400wh/100.8v. Battery CATL 50AH. Charger 100v/10A. Charging duration 4.5 hours. Tire 90/65-6.5. Speaker 35watt bluetooth speakers. Headlight 30watt LED headlights. Heat dissipation liquid cooling system. Speed alarm setting from 0-100kmph , setting from 0%-100% of power. Battery Safe alarm
hall malfunction, 2 beeps per 0.5 sec
PCB overheat, 2 beeps(short)
extreme low voltage, 1 beep/sec, totally 5 beeps fall down, 1 beep/sec, totally 5 beeps
over voltage, 3 beeps/2sec.
Main board temperature>80c ,urgent beeps from the K4.
Total transport volume weight 128kg. (83kg rough weight).
11 inch
4400wh 100.8V. 3500w*2. CATL 50AH. 35watt Bluetooth Speaker. 30w LED headlight. Liquid Cooling system. 200kg max load. 90km/h. 250 km range (w/70kg rider at 20km/h) 66 Net weught(kg) 83 Rough weight(kg) Transport volume weight 128kg 0.7 Box volume CBM 120*75*78 Box size(cm) K4.