·Featured with first national advanced extra-large filtration system for three-wheel sweeper, offering larger filtration area,and stronger vacuuming ability. ·Water tank capacity of 100L, largest of its kind in three-wheel electric sweeper. ·Designed with fully enclosed cab, avoiding affecting on the cleaning due to the harsh conditions of weather, noise, etc. The double door design is convenient for disassembly in summer. ·The humanized design concept provides the user with a safe and comfortable operating environment. ·Featured with 48V maintenance-free battery, energy saving and environmentally friendly,longer continuous use, optional battery. ·Sweeper wiring harness conforms to TS16949 Standard with reliable power supply, all key connectors are retardant and waterproof. ·Core motor of sweeping system: main brush motor. Featured with self-developed rare earth motor (advantages: long life, stable performance, high speed adjustment precision, large speed ratio, hard output characteristics, and smooth running.) ·Optional PFC charger.