Suaoki 100W Foldable Solar Panel

Purchased on Amazon about 3 years ago.
Used only 3 times on the balcony for testing, then stored.
The following is the product description from Amazon.

[High Conversion Efficiency] Equipped with 4 monocrystalline silicon solar panels, it boasts a high conversion efficiency of 20% for effective power generation. Built-in with suaoki's proprietary TIR-C technology, it prevents backflow, overheating, overcurrent, and overcharging, while automatically detecting connected devices for optimal current and rapid charging.

[With Built-in Stand] Features a built-in stand for quick and easy setup without any hassle. The panels also have fixing holes around the perimeter, allowing them to be secured with chains or ropes, or hung for use. When not in use, it folds up like a briefcase for portability. It weighs only 4.5kg, making it lightweight.

[PD60W & QC3.0 Compatible] Equipped with a USB-C port supporting up to 60W Power Delivery, it enables full-speed charging for USB-C devices like MacBook Pro and Nintendo Switch. Additionally, it has one standard USB port (5V/3A) and another port supporting the QC3.0 fast charging standard, providing up to 18W output to significantly reduce charging time for smartphones, tablets, and other USB devices.

[Use with Portable Power Stations] Features a DC output port (12V-18V) that can charge most portable power stations. It has excellent compatibility, especially with suaoki portable power stations. ① DC-DC cable and 10 types of DC conversion plugs: Can connect to portable power stations with round input ports (S270, S370, S670, G1200, etc.) and laptops. ② DC-Anderson cable: Can connect to portable power stations with Anderson input ports (G500, G1000).

[Supplementary Charging for Car Batteries] When your vehicle has been unused for a long time or the battery has died, you can use the included SAE alligator clips to supplement the charge of 12V batteries in cars, motorcycles, boats, etc. Keeping one in your car provides peace of mind in case of a sudden battery failure. It also stores compactly, so it won't get in the way when kept in your car.