After charging your power bank, connect one of your electronic devices to the bank using a USB cord.

To recharge your Power Bank, connect the included micro USB cable to any USB power source such as a wall charger, car charger, or other device with a USB port. The quickest charging power banks take 2-3 hours such as the RAVPower 20000mAh 60W power bank, while others may take as long as 8 to 10 hours.An external wall charger is faster and more convenient to charge a power bank on a computer, but it will take longer. A power bank is an external battery pack that allows you to charge your device when you don’t have access to a wall outlet or USB port. Although the use of a power bank is simple and straightforward, this doesn’t mean you should ignore the manufacturer’s recommendations.

used it for 3 days straight charging my LG G7 phone before I charged it again (didn't need it had 2 lights still lit. Equipped with the latest USB-C technology, this power bank not only supports fast charging for itself but also provides compatibility with the latest iPhone, Android, and all new USB-C devices, making it an ideal choice for modern tech users. Once connected, the power bank will begin to charge and usually you can see the charging status on the power bank’s display. If you don't have OCD about charging to 100% and don't need to go anywhere immediately, this will work just fine.Fast Dual Charging: 2 USB Ports 3A Fast Charging Which Help Simultaneously Charge USB Powered Devices,it is Also 100% Back-Ward Compatible, Intelligently Detects and Charges Your Devices at its Max Speed. These are great for delivering really fast charging times, but you should be aware that the device you’re trying to charge should also be compatible with the type of fast charge your power bank can provide. You should know that a power bank with an empty battery will take a while until it is fully charged.