External Auxiliary Battery of 20,000 Mah Made of Wheat Straw. 2 USB Outputs, with Dual Type C Input & Output Connection & LED Charge Status Indicator. Presented in an Individual Kraft Design Box, with Instruction Manual in English & Spanish. Usb C Input & Output: 5-12v Dc 3-1.5v, Pd18w Usb Outputs: 5-12v Dc 4.5-1.5a, 22.5w Wheat Straw Promotes the Use of Natural Raw Materials, Thus Reducing Pollutant Emissions. The Capacities Shown in All Our External Auxiliary Batteries Are Real, All of Them Incorporating Non-recycled, Grade a Batteries, with a Service Life of at Least 500 Charger Cycles, & Complying with Ce Regulations. In Addition, They Are Manufactured According Rohs Standards, & in Compliance with the Following Safety Requirements: Power Bank Overcharge Protection System. Complete Discharge Protection System, Which Increases the Durability of the Power Bank. Blocking System to Prevent Short Circuits. Constant Charger Transfer System, in Accordance with the Capacity of the Target Device. 20000 Mah. 2 USB Outputs. Type C Output & Input. Colours: Natural. Minimum Quantity: 10.