Multi-energy complementary systems combine communication power, photovoltaic generation, and energy storage within telecom cabinets. The telco industry is changing at lightning speed, with 5G, IoT, and edge computing, but it still has one huge headache: power reliability. Telecom towers, base stations, and server rooms. Somewhere in the background, likely baking in the sun or enduring a blizzard, is an outdoor photovoltaic energy cabinet and a telecom battery cabinet, quietly powering our digital existence non-stop. By incorporating advanced cooling, intelligent monitoring, and efficient power systems, modern cabinets allow network operators. We offer telecom site solutions that utilize hybrid energy sources for uninterruptible power supply, easy deployment and management, remote. In ESTEL telecom cabinet applications, solar panels deliver consistent renewable energy, supporting the essential operation of telecom towers and power cabinet equipment.