Lightweight and portable design: This solar charging panel is easy to carry and fits into backpacks for onthego power. It comes with 2 carabiners for simple attachment to backpacks. efficiency solar conversion: The efficient solar panel converts up to 23% of solar energy into electrical energy, providing a reliable power source in a variety of environments. Compatibility and charging solution: Equipped with a 5V USB output, it is compatible with most 5V devices and electronic devices, offering a reliable and convenient charging solution. Weatherproof and durable: Made with IP67 waterproof material, this charger is built to withstand unpredictable weather. The environmentally friendly selfcleaning E film material ensures longlasting durability and can withstand temperatures. Use scenarios: Outdoor adventures:Ideal for hiking, camping, or backpacking to keep smartphones, GPS devices, and action cameras charged during extended trips. Emergency preparedness: Useful for power outages or roadside emergencies to maintain essential device power when other options are unavailable. Travel and commuting: Suitable for road trips or bikepacking, enabling offgrid charging for everyday devices while on the move.