E-Bro Portable Solar Panel Power LED Bulb Lamp Outdoor Camp Tent Fishing Light Power shortage, can use power charger High performance, strong practicability, durable The solar panel is fixed to the roof or sunny place, the line into the house, and put the plug in the socket interface for charging (also can charge the battery by 5-8V charger) Applicable to family, office, camping, outdoor activities, mainly in lighting and mobile phone and other digital products charge Lamp using high-performance lithium battery, the service life is 6-8 times of lead- acid battery