Remax RPP-296 20000mah Fast Charging Power Bank comes with simple and stylish, lightweight portability and 2 inputs and 2 outputs, charging 2 devices at once. It has quality high-density batteries, stable performance, and 2A high current output. Dual port output to charge 2 devices at once meeting more of your charging needs. It meets UN38.3 aviation transportation standards free to take by plane/high-speed rail/train. This Remax RPP-296 20000mah Fast Charging Power Bank comes with 3 Month Warranty (Must Claim With Box & All Accessories).