20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger
by Solar Tech
 |
List Price: Our Price: $139.00 Availability: Usually ships in 1-2 business days Category: Tools See more product details |
Product Details
Manufacturer: Solar TechProduct features:
- Assembled professionally with Suntech Mono-crystalline solar cells (in a worldwide shortage
- TUV certified junction box with cable with MC connector
- By-pass diode to minimize power drop caused by shade
- Anti-reflective high transparency tempered glass
- Class II black color coated aluminum alloy frame
Tools and Hardware Reviews of 20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger
Customer Review: Good value for the price!
Summary: 5 Stars
I'm very pleased with the performance of the panels and with the way that they look. They perform quite well in portable applications and this is why they come with alligator clip connectors installed from the factory. Works great for charging batteries in diesel generators, car batteries, and even charging a deep cycle battery bank during the day for running a laptop at night. If you're planning to run your whole house or do something substantial with solar power, get yourself a solar array with 120 watt or higher panels wired in parallel in a 12 volt system. These portable solar panels are good to tinker with so you don't have to tinker on very expensive solar array systems that are better left un-tinkered with.
Description of 20 Watt Black Frame Mono-crystalline Solar Panel and Battery Charger
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.Solar Panels Tools
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