20000mAh Li-Polymer Battery: Redmi Power Bank comes with high-density advanced Li-polymer batteries that makes it more durable and optimizes charging efficiency. It can charge Redmi K20 Pro – 3.5 times, iPhone XS – 4.7 times & Redmi Note 7 – 3.5 times 18W Fast Charging: The new Redmi Power Bank comes with 18W Fast Charging. […]