• Li-polymer battery with 20000mAh: Redmi power bank comes with advanced high-density Li-polymer batteries, making it more durable and optimizing charging efficiency.
• 18W Fast Charging: The new Redmi power bank supports 18W fast charging. 
  Supports 5.1V / 2.4A, 9V / 2A MAX, and 12V / 1.5A MAX charging outputs, ensuring efficient and fast charging for your devices.
• Classic Dual Input: Dual input ports (Micro-USB / USB-C) and Dual USB output with smart charging - Redmi power bank intelligently adjusts the output power up to 18W to achieve fast and efficient charging for each connected device.
• Ergonomically Designed: This power bank is made of high-quality material and features a classic black and white color.
• Anti-slip edge texture offers excellent hand feel and prevents accidental drops and slips.
• 12-Layer Protection: Mi Power Bank comes with an advanced level of chip protection that ensures protection against short circuits, overcurrent, overvoltage, overcharge, and discharge, etc.
• Bidirectional Fast Charging: This feature ensures faster charging for the power bank and connected devices.
• Charging Time: Approximately 6.7 hours (18W charger, standard USB cable), approximately 10 hours (10W charger, standard USB cable) 

Specifications: