This video explains the main functions and practical uses of the ESTEL Hybrid Energy Telecom Power System in a clear, step-by-step format. You'll see how this customizable solution integrates solar power, grid electricity, and diesel generators to provide reliable, low-cost power for outdoor telecom sites. We'll walk through the system's structure, including the cabinet, power modules, cooling system, batteries, and environmental monitoring, showing how it supports telecom expansion in areas with unstable or no grid power.