Rolling Wheeled Towed Power Unit, Rescue-ready On-site EV Charging Booster, Heavy-duty Off-grid Backup Energy Storage Pack Product Overview Rolling trolley EV power station with 3500W pure sine wave output and 3072Wh LiFePO4 battery. Delivers fast roadside charging for stranded EVs, and works as off-grid backup power for job sites and home outages. Built-in BMS protection and weather-sealed ports for reliable outdoor use. key Features Wheeled trolley form factor with