Reconstructing the value of portable power bank from the dual dimensions of "battery life + scenarios", these portable power bank devices are not merely charging tools but also scenario assistants. The 5000mAh portable model is suitable for daily commutes, weighing only 120g and can be easily carried in a pocket; the 10000mAh high-capacity model supports bidirectional fast charging, providing twice the battery life for tablets, drones and other devices; the design with a phone stand is perfectly adapted to outdoor live streaming and car navigation scenarios, with the stand angle adjustable at 360°, allowing hands-free operation while charging, ensuring that mobile devices stay connected during travel, camping and fieldwork.