Extremely Compact And Lightweight. A Small Yet Powerful Battery From Rolling Square. Charges With A Total Power Of 30 Watts. When Charging An Iphone With A Type-C Cable, It Charges The Iphone Up To 50% In Just Half An Hour. Battery Capacity Of 10,000 Mah, Enough To Charge An Iphone Approximately Twice. Made From High-Quality Materials. Features A Small Display Screen On The Side To Indicate The Remaining Charge Percentage.