20 Watt, 12 V Solar Panel Plus PWM Controller Start Price USD 179.95 Current Price USD 179.95 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Tuesday, November 18, 2008 End Time Sunday, November 23, 2008 Location Laguna Niguel, CA See more about '20 Watt, 12 V Solar Panel Plus PWM Controller' Description   AVOID THE COMMON PROBLEM WITH SOLAR CHARGING BATTERIES.   Here’s why the problem exist. ·       When charging a battery, the net voltage from the solar panel must meet the charging voltage of the battery.  This is usually in the range of 14.2 volts. ·       The panel’s output voltage should be in the range of 16 to 18 volts to account for voltage drops from diodes, regulators, and circuits. ·       Only panels consisting of 36 cells will meet this voltage requirement on a consistent basis.  The 30 and 33 cell modules are not that dependable.   This CDT line of solar crystalline modules delivers top-quality performance for all photovoltaic applications including rural electrification, gate opening, water pumping, telemetry, communications, and RV/boat off-grid battery charging.   This panel is compact and durable and is the BEST BUY in the industry and here’s why. ·       The panel consists of 36 solar cells connected in series providing optimum battery charging power. ·       It has an impact resistant tempered glass surface that allows maximum light transmission. ·       It has a maintenance-free anodized lightweight aluminum frame with mounting holes for quick installation. ·       The weather resistant junction box contains a bypass diode and is conduit ready. ·       It is engineered for rugged use and will withstand hail, snow and ice.   Each panel includes a mounting kit and specifications and comes with clearly marked polarity, serial numbers. You do not want to use this powerful panel without a quality controller.  That's why we have combined this offer with the matching CDT Controller.  Charging a battery is the most important function of a solar panel.  Battery monitoring is the function of our smart controllers, which are designed to protect and monitor your battery. Here are some of the benefits: Battery State-of Charge Indicator Large terminals (up to 16mm) PWM-regulation (shunt type) Boost & float charging method Integrated temperature compensation Solid-state overvoltage protection Reverse polarity protection The controller will consume less than 4 Ma The panel is shipped wrapped in bubble wrap and packed in a card board box and an attractive retail box. Specifications: Rate power: 20 watt, Nominal voltage: 12 VoltPeak voltage (Vmp): 17.0 VoltPeak current (Imp):  1.2 AmpDimensions: 14 x 20x 0.7 inchWeight:        2.5 Kg, 6 Lb.  This high quality panel and controller retails for about $165 So Save Big!   Happy bidding.   REMEMBER: SHIPPING IS FREE.     Place a Bid!