
DIY Manual-to-Electric Hand Truck Conversion with 300kg Capacity. Dual-Mode Operation: Switchable between electric and manual modes for maximum flexibility in any situation. High Load Capacity: Supports 170kg with single drive and up to 350kg with double drive systems. Long Endurance Battery: Detachable lithium battery offers 15km range on single motor and 10km on double motor. Stepless Speed Control: Adjustable speed from 0 to 10km/h to adapt to different terrains and load weights. Heavy Duty 4-Wheel Design: Robust platform cart built for warehouse, factory, and shopping mall heavy-duty tasks. Comprehensive Warranty: 12-month quality warranty covering core components like motor, controller, and chassis. Fast Response Support: Dedicated hotline provides substantive response within 2 hours for problem reports. Full Customization Options: Offers full customization, minor customization, and customization from designs or samples.