iRULU Portable 20000mAH Power Bank With LCD Display, 3.5A Output with Led Flashlight, USB External Battery For iPhone, iPad, Samsung Galaxy and More Black Light-weight and fashionable design. Huge capacity, 20000mAh. 5V . Easily fit into your carry bag and charge your mobile device anytime and anywhere. Four LED indicators show you the energy state of external battery and can be used as flashlight. 100% Satisfaction, One Year Warranty, 90 Days Return & Refund.