This product is a high-end fashion off-grid energy storage power supply product developed by independent innovation. It is light,portable and stylish. Automotive grade lithium iron phosphate battery, safe and reliable, durable; With 230 v / 20 v, 15 v, 12 v,9 v, 5 v ac/dc output, suitable for all kinds of different equipment such as aerial drones, portable ventilators, medical equipment, mobile phone, tablet, notebook computers, desktop computers, small printer, all sorts of lamps and lanterns, small fishtank, photographic equipment, electric balance unicycle and so on, convenient user home to travel, Outdoor work, camping and picnic, mountaineering adventure, etc.