Best 20000mAh power banks in India for fast charging. (Business Insider)

URBN 20000 mAh Li-Polymer Ultra Compact Power Bank

The Urbn 20000mAh power bank features a simplistic design with rounded corners. It has a compact form factor and comes with a textured finish to prevent it from slipping or getting scratched easily. It includes two USB ports to allow you to charge two devices at once. It supports 10.2W charging and can charge a 4000mAh battery phone up to 3.5 times. The Urbn power bank is an affordable option that offers high capacity backup to let you charge your phone multiple times on a single charge.

Pros

• Lightweight
• Compact