Portable Solar Generator Power Inverter - 154Wh Battery Pack for CPAP Camping or Emergency Backup, CYTIK 41600mAh 120W UPS Power Supply with AC/USB Outputs, Rechargeable by Wall Outlet/Car/Solar Panel

It looked as if it was charging, but when I tried to turn it on nothing happened. I don't usually write reviews, but I did for this item so either the company tries to fix this issue, or it will keep someone from buying a defective product.