Sunforce 52013 1.8-Watt Solar Battery Maintainer, Twin Pack

Sunforce 52013 1.8-Watt Solar Battery Maintainer, Twin Pack

I got these for my rv as well as my jeep that sits for weeks on end. The solar panels came packaged ok. No loose parts or missing parts. You receive both a cigarette lighter plug as well as alligator clips. Both adaptors attach easily to the solar panel. One of my complaints are the suction cups used to attach to the windshield. They don't suck! Meaning, they constantly fall of the windshield. You do get 4 suction cups in the packaging. I had to play with the cups to find the 2 that worked the "best".

Doing a little testing on my amp draw of my jeep. I found that is pulls .088 amps with no key and all accessories off. Sticking a panel to my windshield resulted in a reduction of my amp draw to .017 amps. This is better, but not quite what I was wanting. Remembering that all windshields come with a UV filter in them, I pulled the solar panel into the direct sunlight and found the vehicle was now charging .023 amps. This is more like it, however, reading the directions, these panels are not weather proof, meaning, waterproof.

Installing the second panel along with the first behind the windshield resulted in a charging of .017 amps. So, it seems I need to install both panels to keep my battery maintained while in "storage". Remember to check that your cigarette lighter is a constant power on (there is power with the key in the off position). If not you will need to install a aftermarket plug for the panels to work.Buy Sunforce 52013 Solar Battery Maintainer Lowest Price, Order Now! [Click Here!]

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Discount Sunforce 44444 12-Volt 400-Watt Wind Generator

Discount Sunforce 44444 12-Volt 400-Watt Wind Generator

We have been involved with this product from the mid 90's. Initially the manufacturer (Southwest Windpower) had potted regulators inside the nifty cast aluminum housing on their 303 wind-machines. After installation the machine ran great (except for the unbelievable noise from the blades) for about 2 weeks until the uncooled regulator overheated and self destructed. We were living off the grid in a very remote part of Samoa at the time and literally depended on the output from our wind turbines and solar panels. We had a lot of experience with older types of permanent magnet wind generators and spruce (wood) blades. Our older Redwing generators never gave us any trouble except for the necessity to periodically replace the brushes. Southwest Windpower was contacted after our early debacle and this was the beginning of many overseas phone calls and 99 email correspondence over 4 years, fighting with them to stand behind their product and do some actual real world testing of their product. These people had a great idea but the bugs were not worked out and we were their unwitting test subjects. Jay Yaeger, Dave Snowberg, Sean Hickey: all Southwest Windpower muckety mucks get a big thumbs down for their lack of followup and support.
Initially Southwest Windpower was coerced into sending us replacement parts. Later after much wrangling we did mange to have the company send us updated versions/replacement machines. Many, many hours of troubleshooting for them, pulling wires, dismantling our installation, re-installation...etc. We installed these and guess what : more overheating and failures. In one long distance telephone conversation with Jay Yaeger at Southwest Windpower I asked him if they did any wind tunnel testing to be certain these machines would stand up to hours and hours of use. I asked if they did wind tunnel testing to check for vibration and blade noise. The response was NO!!! He told me they were not set up to do this. My interpretation over the years: this company, as well intentioned as they may be, are using us (the consumer) to test their product for them. Whilst they are using their consumers to this end, they offer very poor support and excuses.
This is all, of course, historical review of the product. It could very well be that this company has evolved (thanks to its early failures) and is now acting more responsibly.
My advise to anyone purchasing this product is to be certain you have the warranty parameters with your vendor clearly delineated.Buy Sunforce 44444 12 Volt Wind Generator Lowest Price, Order Now! [Click Here!]

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