This 1W 5V monocrystalline solar panel high photoelectric conversion efficiency with stable 5V output and 200mA current, ideal for charging 2.7V 5V batteries in garden lights, wall lamps, and small electronic devices like phones and smartwatches. Equipped with 3 meter extension cable and standard DC5.5x2.1mm output , allowing flexible placement of the solar panel in sunny areas while keeping devices in shaded locations for optimal . Includes a sturdy metal carabiner for mounting on backpacks, tents, railings, or branches, making it perfect for camping, hiking, and outdoor emergencies power needs without requiring tools or complex installation. Made with impacts resistant ABS housing featuring sealed protections against dusts and moistures, ensuring stable operations in various weather conditions for long term outdoor use. Built in overcharge, over discharge, and short circuit protections circuits automatically charging display, providing safe operations while being completely user friendly with power consumption or carbon .