The O'Neill 22.5W 20000mAh Power Bank has a high capacity of 20000 mAh. Built-in smart USB charging controller. Compatible with most phones and digital devices. It also comes with a sleek carbon fiber finish that will contrast perfectly with your logo. This Power Bank 20,000mAh has two USB-A output ports and two input ports (a and a Micro-USB port). Each output port with a maximum output of 18 W when used alone. The combined output of the two ports can reach 5V/4.5A, so it can be used to charge both phones and tablets. Added protection and enhanced safety. The high-precision resistance, inductance, and capacitance components and advanced circuit chips can easily tackle overcharging, over-discharging, overheating, short circuits and other faults, offering reliable protection for both the power bank and devices. Multiple protections and enhanced safety for daily use. The high-density lithium-ion polymer battery provides lasting and reliable battery life for devices such as phones, tablets and digital cameras. So you can recharge wherever you are — in the office or on the go. 1* 20,000mAh Power Bank; 1 * Type C-USB cable; 1 * Instruction manual. Any qualified cable with a Micro-USB or port can be used for power bank self-charging. SPECIFICATIONS Product size:141*70*27mm /5.55"*2.76"*1.06" Net weight: 397g/14oz Capacity:20000mAh Micro USB input: DC5V/3A, 9V/2A, 12V/1.5A Type-C input: DC5V/3A, 9V/2A, 12V/1.5A Type-C output: DC5V/3A,9V/2A,12V/1.67A (max 20W) USB-A output 1: 4.5V/5A, 5V/4.5A,9V/2A,12V/1.5A (Max 22.5W) USB-A output 2: 4.5V/5A, 5V/4.5A,9V/2A,12V/1.5A (Max 22.5W) PACKAGE LIST 1 × Power Bank 1 × USB to C Charging Cable 1 × User Manual