Smart City Intelligent All-In-One Solar LED Street Light 80W 18V 110W solar panel for fast charging. Built-in 12.8V LiFePO4 battery with total energy 538Wh. Lithium iron phosphate battery features safe performance, long cycle life and excellent stability for outdoor use. Support PIR human body induction & timing control two working modes. It automatically dims when no people, full brightness when motion detected, greatly saves battery consumption and extends working hours at