This is a black aluminum frame to charge your 12V battery or to run your science projects. The rare black color frame makes it look handsome. 
Mono-crystalline Waterproof Solar Panel in Black Color Aluminum Frame 
Assembly professionally with 20% high efficiency Mono-crystalline solar cells (in worldwide shortage, 20% is around the highest efficiency in light to electricity conversion), alligator battery clamps included. 
TUV certified and IP65 rated junction box with cable with MC connector 

	By-passed diode to minimized power drop caused by shade 

	Class II black color coated aluminum alloy frame 

	Anti-reflective high transparency tempered glass 

	Solar cell embedded in EVA (ethylene vinyl acetate) 

	Tedlar foil backing 

	18V average working voltage, 278mA maximum current

This solar panel is using the most expensive and highest performance solar cells so the price could be slightly higher than the really cheap Amorphous type on Ebay. There are three types of Solar Cells on the market. This solar charger is using the best Mono-Crystalline Solar Cells:

Mono-Crystalline - 25 plus years service life and up to 20% efficiency. This is the same type use in solar car racing. This type of solar cells is now in worldwide shortage because only a few companies can manufacture this type solar cell. The raw material which is a special kind of silicon sand ore is also in great shortage. It is in black color circular or semi-circular silicon wafer form in appearance.

Product Dimensions: 11.5 x 9.5 x 1 inches, Weight 2.2 lbs

Compatible Battery: Any 12V rechargeable battery, you may need to use charging controller to have auto shutoff to prevent overcharge. However, you can unplug manually when it is fully charge.

Availability: Usually ships in 2-3 business days

5 Watt Mono-crystalline Portable Waterproof Solar Panel in black color