Sunpower 300w foldable panels

Anyone have opinion about this 300w Sunpower panels? It was a listing on ebay(don’t know if I trust buying panels from ebay). It is missing specs I think important to know like VoC which also makes me suspicious. Anyone have experience with these panels?

I think this link shows it.

300 Watt Portable Solar Panel. Condition is “New”. Shipped with USPS Priority Mail.

18-23 days shipping

Features:

  1. Constructed by high quality material, eco-friendly, waterproof, durable and sensitive.

  2. Can be used for charging cellphones, mobile power bank, laptop, tablet, GPS, camera, etc.

  3. Portable, foldable and lightweight, easy for carrying.

  4. Offers continuous power supply even on overcast day.

  5. Suitable for outdoor activities, emergency, and outdoor working.

Specifications:

Solar power: 300W

USB output: 5V, 3A(Max)

Solar energy output: 12V

Solar panel type: Sunpower

Material: 600D Waterproof Cloth

Conversion efficiency: 23-24%

Output interface: DC/Dual USB

Expand size: 145.5*41cm

Folding size: 41282.5cm

Suitable for: Phone, mobile power bank, laptop, tablet, GPS, camera, USB fan, USB lamp, etc.

Package:

1X 300W Solar Panel

1X Crocodile Clip

1X DC Charging Line

1X Car Cigarette Lighter

6X Carabiners

10X Laptop Connector

They sound suspect to me…

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