Portable & Lightweight Delivering 400W of input power, this foldable solar panel ranks among the most powerful in its class. At just 12.5 kg, its compact build and integrated shoulder strap make it an excellent choice for outdoor explorers on the move. Self-Supporting Design The included protective case doubles as an adjustable stand, allowing tilt angles from 40°-90° so the panel can capture maximum sunlight throughout the day. Durable & Weather-Resistant Built with multiple layers of flexible EVA and tough fiberglass, this panel combines the adaptability of flexible designs with the strength of rigid ones. Each high-efficiency monocrystalline silicon cell is coated with ETFE film, shielding it from dirt, debris, and water. With an IP67 waterproof rating, its built to withstand diverse weather conditionsideal for camping, off-grid adventures, or rooftop setups. Broad Compatibility Equipped with a standard MC4 connector, the panel works seamlessly with EcoFlow DELTA Series portable power stations and is also compatible with a wide range of third-party generators. Smart Solar Power With a 22.4% conversion efficiency, the EcoFlow 400W panel maximizes energy capture. When paired with an EcoFlow solar generator, it uses advanced Maximum Power Point Tracking (MPPT) technology to optimize efficiency and maintain a steady, reliable power output all day long.