Retro style meets modern high-tech portable fast charging! The HyperGear 20,000 mAh Transparent Fast Charge Power Bank is a retro-style power bank equipped with 20W USB-C Power Delivery and dual USB Adaptive Fast Charge ports. Powerful enough to fast charge your phone from 0 to 50% in as little as 30 minutes. Carry up to 4 full phone charges wherever you go, or keep your tablet powered up for an extra 12 hours on the move.