Powerology 16000mAh Solar Multi-Cable Power Bank - is a universal portable power source that offers complete energy independence and maximum convenience thanks to its optimal 16000mAh battery capacity, built-in solar panel, and integrated multi-cables. Eliminating the need to carry extra cables, this model can independently gather energy via sunlight while allowing you to fast-charge different devices simultaneously. Its rugged, ergonomic construction built for outdoor conditions and the integrated smart protection system fully safeguard your devices from overvoltage, overheating, and short circuits.