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Solar Panels - Information and Questions
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<blockquote data-quote="Occasional_panner" data-source="post: 345723" data-attributes="member: 7956"><p>Sorry to tell you mate, but at that price, it won't be genuine mppt, it will most likely be pwm, which is still fine, they work perfectly well, they just don't produce quite as much power. It maybe only 10% difference, so for most people who rely on them for short periods they make great value and do the job just fine.</p><p></p><p>But many ebay sellers misrepresent their panel controllers.</p><p></p><p>A mate got one from 4wd super centre, which was falsely claimed as mppt, he emailed them and got a refund. They since changed their advertising, maybe they didn't know either and just went by the manufacturer's claims, at least they corrected the advertising.</p><p></p><p>Have a look here <a href="https://www.youtube.com/watch?v=la-gvy0DfJs&t=496s" target="_blank">https://www.youtube.com/watch?v=la-gvy0DfJs&t=496s</a></p><p></p><p>If you have two multimeters you can test the controller to see if it is in fact mppt.</p><p>If the controller is mounted on the back of the panel you would be better off placing it near the battery to minimize voltage drop on the charge line and to prevent overheating of the controller.</p><p></p><p>Glad the extra power has sorted out the problem.</p></blockquote><p></p>
[QUOTE="Occasional_panner, post: 345723, member: 7956"] Sorry to tell you mate, but at that price, it won't be genuine mppt, it will most likely be pwm, which is still fine, they work perfectly well, they just don't produce quite as much power. It maybe only 10% difference, so for most people who rely on them for short periods they make great value and do the job just fine. But many ebay sellers misrepresent their panel controllers. A mate got one from 4wd super centre, which was falsely claimed as mppt, he emailed them and got a refund. They since changed their advertising, maybe they didn't know either and just went by the manufacturer's claims, at least they corrected the advertising. Have a look here [url]https://www.youtube.com/watch?v=la-gvy0DfJs&t=496s[/url] If you have two multimeters you can test the controller to see if it is in fact mppt. If the controller is mounted on the back of the panel you would be better off placing it near the battery to minimize voltage drop on the charge line and to prevent overheating of the controller. Glad the extra power has sorted out the problem. [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
Solar Panels - Information and Questions
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