It adopts a fully sealed metal shell and has IP67 waterproof, dustproof, low-temperature and corrosion resistance. It is suitable for multiple scenarios such as solar street lights, outdoor monitoring, and emergency base stations. Available in multiple specifications and equipped with an intelligent charging and discharging management system, it has stable battery life and a life span of up to 8 years. It does not require frequent maintenance. It is a reliable choice for outdoor engineering and emergency power backup.