Solar Panel Charger 10-20W is a high-efficiency portable solar power solution featuring monocrystalline silicon panels with up to 22% conversion efficiency. Designed for outdoor and emergency use, this lightweight solar charger delivers reliable power with multiple output interfaces including USB, Type-C, and DC-12V. Built with a durable anodized aluminum frame and integrated lithium-ion battery, it offers under-voltage protection to extend battery life. Ideal for camping, hiking, and off-grid applications, the 20W model provides 20000mAh actual capacity while the 10W version offers 10000mAh, ensuring efficient energy storage and sustainable power supply in diverse environments.More