Our products portable power supply. High quality light source to light up the dark night High brightness, low power consumption, high quality dual light source design, long battery life Provides long lasting and stable lighting for outdoor activities, take me to experience fun outdoor activities Can power 500W appliances, such as drones, DSLR cameras, laptops and other digital devices, can be easily charged outdoors. Not afraid of cold, not afraid of high temperature Can work normally in environments from -20°C to 60°C (to meet your year-round use) Supports camping lights, electric fans, 500W power supply and other internal devices of the same power, easily solving the problem of outdoor power consumption Green lithium battery stores energy, in case of sudden power failure, this power supply provides you with a noiseless, portable and clean emergency backup power solution.