1. Good electrical insulation performance;
2. Good sealing performance, which can prevent solar cells from being corroded by wind, water and atmospheric conditions;
3. The working voltage and output power are designed according to different requirements, and a variety of wiring methods can be provided to meet different voltage, current and power output requirements;
4. Strong anti-ultraviolet ability;
5. The efficiency loss caused by the series-parallel combination of solar cells is small;