With the increasing popularity and diversification of outdoor activities, there are more and more types of outdoor equipment, among which one essential equipment is the outdoor power bank. The function of the outdoor power bank is to provide power for mobile phones, tablets and other electronic devices, making it easy and convenient to use them outdoors. We often encounter situations where mobile phones, tablets and other electronic devices run out of power when used outdoors, and carrying spare batteries will increase the burden of our luggage. Therefore, the outdoor power bank has become an ideal option for solving this problem. The latest outdoor power bank uses high-tech lithium batteries, which have large capacity, light weight, safety and stability, etc., and can easily meet the needs of outdoor use. This outdoor power bank uses high-quality batteries and supports multiple charging methods (solar power/power adapter/car charger), which can meet different charging needs in different situations. At the same time, in order to adapt to the complex outdoor environment, this power bank is strong and durable, with excellent waterproof, dustproof and shockproof performance, and can maintain stable output power even in harsh weather conditions. In addition, this outdoor power bank is equipped with an intelligent electronic display screen, which can display real-time information such as power, input/output voltage and current, etc., making it convenient for