Flexible Solar Panel 50W High Efficiency ETFE Monocrystalline Lightweight for Solar Power Systems JXSOL. Featuring high-efficiency monocrystalline silicon cells and a lightweight, durable ETFE design, this 50W flexible solar panel offers excellent performance for residential, commercial, and off-grid solar power systems. With an IP67/IP68 junction box, tempered low iron glass, and frameless structure, it ensures long-term reliability and easy installation in diverse environments.More