Sunforce 50044 60-Watt Solar Charging Kit

Administrator — Wed, 24 Jun 2009 22:14:12 +0000

green 3, solar power, battery chargers, emergency supplies, solar panel, solar panels, getpreparedstuff, solar, fragile, kit

4.4 out of 5 stars

Update 9-18-2008 – Still going strong. I am very pleased with the summer power output of these panels. I wash them with a hose 1x/mo to keep the output current up. Measured before washing and after washing the panel efficiency is clearly a factor of how much dirt is on them. No problems long term on a roof though! Update 2-20-2008 – goes with graph “photograph” #3 above – pink line is power and blue line is amps from the panel x 10 to share the graph. The X axis is panel voltage. Data was acquired using an Agilent dummy load with programmable voltage in 1V steps from 1V to 22V (open circuit voltage on the panel) on a partially cloudy day in winter sun. Expectations are for 2-3 times performace in summer sun provided the panels don’t get too hot. These are on my house roof laying flat on a 3/12 pitch facing due south which is suboptimal but easy for me to do. Be sure to read the photo notes. Sorry about the colors excel defaulted to! This is a MPPT chart (maximum power point tracking) – you can see that the panels are optimized for charging a 12V wet cell right out of the box. Charge current turns on when battery voltage drops down to 13.0 VDC and turns off at 14.2 VDC with the supplied charge controller in the kit. The only other interesting fact in 2 months is to keep your panels clean. My maximum current was 5.0 A on a cold morning with bright sun until it rained hard and washed the panels clean. The current went up to 7.0 A maximum right after the rainstorm. Below is the original review – these panels have been running constant for 2 months now into 3 parallel deep cycle marine cells (315 AH) connected to the prosine inverter below to drain the energy made. When reading the power/current chart you should keep in mind the amps have been multiplied by 10 so they use the same Y axis (so 20A on the chart corresponds to 2.0 A panel current) Watts are actual volts*amps. This was taken in the winter with partial clouds – expectations are for a X3 improvement during summ
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The Sunforce 50044 60 Watt Solar Charging Kit gives you another reason to love the sun — it’ll help keep your batteries charged. This kit is excellent for cabins, remote power, back-up power, and 12-volt battery charging. The kit includes a PVC mounting frame, 7 Amp charge controller, 175-watt inverter, and wiring/connection cables. And with the built-in blocking diode technology, this charger kit is designed to protect against battery discharge at night. You can also use this kit to maintain the charge on any 12-volt battery for clean, silent operation of various electronics, such as deer feeders and landscaping pumps. The 50044 features a built-in ultra-bright blue LED charging indicator, and is a great choice for automobiles, recreational vehicles (RV), tractors, all terrain vehicles (ATV), boats, electric fences, telemetry and more, and it is even effective on cloudy days. This battery charger kit is made of durable ABS plastic and amorphous solar cells and has a maximum temperature range of -40 to 176-degrees Fahrenheit.
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Sherpy Says » green 3

Sunforce 50044 60-Watt Solar Charging Kit