| Save on 20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger our mission is to give you the facts you need. so you can get on the road to taking action right away. Massive Saving Order Now.20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger for the best price by 20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger comparing prices offered by the top rated 20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger stores online.. 20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger |
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Product By Solar Tech
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Product Description :This is a 20 Watt Mono-crystalline Portable Waterproof Solar Panel in black color (very rare) aluminum frame to charge your 12V battery or to run your science projects. The rare black color frame looks very nice. It is in a factory new package and is 100% brand new. The solar panel is assembled by Suntech, one of the highest quality solar cell makers. It is also waterproof. The working voltage for charging is 18V. If you need to use it to charge a car battery, you may need a charge controller to prevent the battery from overcharging. Connections included: alligator battery clamps. There are three types of Solar Cells on the market. All our Solar chargers use the best - Mono-Crystalline Solar Cells. Amorphous or Dual Junction Solar Glass are the cheapest but are only 7% energy efficient and have 5 years service life. They are big and heavy. Poly-Crystalline have 25 plus years of service life under direct sunlight and are 13% efficient. Mono-Crystalline have 25 plus years service life and are up to 20% efficient. This is the same type used in solar car racing. This type of solar cell is now in a worldwide shortage because only a few companies can manufacture this solar cell. MORE DETAILS >> |
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