300W Portable Foldable Solar Panel Kit, Compact 19.3X37.4In Design 15.2Lb with S
Even under full sun, a 300W panel cannot exceed your unit’s own cap—this is normal design, not a defect. What factors impact power？. How to test power？. 【USB CHARGING WHEN YOU NEED IT】 When connected to a 12V battery, the dual USB ports provide stable power for phones, lights, and small devices.