It takes 6 hours to fully charge the 5200mAh power bank with a 1A charger.
A power bank, also called a mobile power supply, is a portable charger that integrates functions power and charging. It can charge mobile phones, tablets and other digital devices anytime and anywhere. Typically, lithium batteries (or dry cells, less commonly) are used as an energy storage unit, which is easy and quick to use.
It can be recharged and used repeatedly. Pay attention to fire prevention, fall prevention and high temperature prevention.