High-capacity 20000mAh solar power bank with premium waterproof design for outdoor adventures. Built with high-efficiency solar panels for rapid sunlight charging, ideal for camping and emergencies. Durable ABS+PC casing withstands harsh conditions while maintaining sleek portability. Features dual USB outputs for simultaneous device charging and built-in LED flashlight. Ultra-thin solar panel technology ensures 30% faster energy conversion than standard models. Includes intelligent power management to prevent overcharging and short circuits. Perfect for hiking, travel, and off-grid power needs with military-grade shock resistance. Waterproof rating IPX6 protects against heavy rain and accidental splashes. Advanced lithium-polymer battery maintains 500+ charge cycles with minimal capacity loss. Multi-protection system covers over-current, over-voltage, and overheating scenarios. Compatible with smartphones, tablets, GPS devices, and most USB-powered electronics.