Jackery 300 Personal Review

Hi there, I'm reviewing a Jackery 300 that I use in my vehicle for 12hrs to power 10 - 12 usb devices using a 12 usb hub it's the best watch the video to know more I'm not a professional in Jackery but I give my personal review at the best that I can let me know what you think and if you have questions I'll answer as the best that I can have a great day !!!!!!!