Product Description 20,000 mAh Redmi Fast Charge Power Bank (Black) Dual input ports – Dual output ports – High capacity of 74 Wh Two-way 18-W fast charge Suitable for air travel High capacity of 20,000 mAh Enough capacity to fully charge four phones and still have power left* High capacity of 20,000 mAh; built-in smart USB charging controller*; compatible with most phones and digital devices; enough capacity to fully charge four Mi 9 phones and still have power left. For peace of mind when you’re on the go. Dual USB-A output One is not enough, two is perfect The 20,000-mAh Redmi Fast Charge Power Bank has two USB-A output ports, each with a maximum power of 18 W when used alone. The combined output of the two ports can reach 5.1 V/3.6 A, so it can be used to charge both phones and tablets. Two types of input ports It’s better to have a choice The 20,000-mAh Redmi Fast Charge Power Bank has two input ports, a USB-C and a Micro-USB port, making it fully compatible with standard Android device cables* and ensuring fast charging of the power bank itself. Lithium-ion polymer battery Suitable for charging various devices 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. 【High Capacity of 20000 mAh and 74Wh】High capacity of 20000 mAh; Enough capacity to fully charge four Mi 9 phones and still have power left. Built-in smart USB charging controller. Compatible with most phones and digital devices. 【Dual Output & Input More Efficient and Convenient】Redmi Power Bank 20,000mAh has two USB-A output ports and two input ports (a USB-C 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 5.1 V/3.6 A, so it can be used to charge both phones and tablets. 【Advanced Circuit Chips】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. 【High-density Lithium Ion Polymer Battery】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. 【What You Get】1* 20,000mAh Redmi Standard Power Bank; 1 * Micro-USB cable; 1 * Instruction manual. Any cable with a Micro-USB or USB-C port can be used for power bank self-charging. Key Features: High Capacity of 20000 mAh and 74Wh】High capacity of 20000 mAh; Enough capacity to fully charge four Mi 9 phones and still have power left. Built-in smart USB charging controller. Compatible with most phones and digital devices. 【Dual Output & Input More Efficient and Convenient】Redmi Power Bank 20,000mAh has two USB-A output ports and two input ports (a USB-C 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 5.1 V/3.6 A, so it can be used to charge both phones and tablets. 【Advanced Circuit Chips】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. 【High-density Lithium Ion Polymer Battery】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. 【What You Get】1* 20,000mAh Redmi Standard Power Bank; 1 * Micro-USB cable; 1 * Instruction manual. Any cable with a Micro-USB or USB-C port can be used for power bank self-charging.