Poga 20000mah Solar Portable Charger Waterproof for Camping External Backup Battery Pack Charger Special Design for Outdoor. Compact design and with a hook + Carabiner, so you can freely attach it to your backpack in camping, and it will recharge itself under direct sunshine for emergency.and high quality.High capacity, solar-powered, stylish.Portable, ultralight, user-friendly, and durable for on-the-go use.Led flashlights to create more convenience for travelDual USB ports, enable to charge two devices simultaneously.Emergency charger for cell phone and other compatible devices.It leads you through darkness and emergencies as lifesaver.The USB battery with dual flashlights are perfect for Emergency,