Edge Span S60-LTEP is a 4G solar power supply specially designed by Edgeware for deployment in harsh envrionment and high temperature scenarios. This video shows our field test for Edge Span S60-LTEP 4G solar power supply to monitor the performance and stability of the device in outdoor harsh environment and high temperature scenarios. After years of testing in such scenarios, we have a clear understanding of the temperature curves of the equipment in different scenarios, which helps us design a high-reliability, maintenance-free 4G solar power supply solution for our customers.