ECO-WORTHY US via Amazon has
ECO-WORTHY 100W 12V Monocrystalline Solar Panel (L02M100-1) on sale for
$58.
Shipping is free.
Thanks to community member
MinhTrinh for finding this deal.
Specs: - Maximum Power: 100W
- Open Circuit Voltage (Voc): 21.6V
- Maximum/Peak Voltage(Vmp): 18V
- Short Circuit Current (Isc): 6.11AA
- Working Current (Iop): 5.55A
- Output Tolerance: ±3%
- Charge Voltage: 12V
- Frame: Aluminum alloy frame
- Temperature Range： -40℃ to +80℃ (-40°F to +176°F)
- J-Box IP Rating: IP65
- Promise of Power: 90% within 10 years, 80% within 25 years
- Compact Size: 39.8 x 20.1 x1.4 in (1010×510×35mm)
- Panel Weight: 13.14 lbs (5.96 kg)
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I bought 4 of these panels and connected them in a series-parallel configuration with a decent MPPT charge controller. They're installed horizontally (not angled), so I expected around a 20% loss of power as a result. When the panels were new, the highest power recorded from my 400W array was 196W. Less than I had planned, but I could work with it. Within 6 months of putting the panels into service, array output had dropped to 40W peak. I disconnected and tested each panel, only to find peak full-sun outputs of my 4 "100W" panels to be 8, 7, 8, and 55W. Short-circuit currents of the 3 weak ones were less than 1.5A. Lesson learned: these panels probably output 75% of their rated wattage when they're working well, putting the price per watt somewhere around $1.50. Shop around and you'll find high-quality premium panels (Suniva, Panasonic) for pretty close to that same price point. Don't waste your money here.
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I bought 4 of these panels and connected them in a series-parallel configuration with a decent MPPT charge controller. They're installed horizontally (not angled), so I expected around a 20% loss of power as a result. When the panels were new, the highest power recorded from my 400W array was 196W. Less than I had planned, but I could work with it. Within 6 months of putting the panels into service, array output had dropped to 40W peak. I disconnected and tested each panel, only to find peak full-sun outputs of my 4 "100W" panels to be 8, 7, 8, and 55W. Short-circuit currents of the 3 weak ones were less than 1.5A. Lesson learned: these panels probably output 75% of their rated wattage when they're working well, putting the price per watt somewhere around $1.50. Shop around and you'll find high-quality premium panels (Suniva, Panasonic) for pretty close to that same price point. Don't waste your money here.
I bought 4 of these panels and connected them in a series-parallel configuration with a decent MPPT charge controller. They're installed horizontally (not angled), so I expected around a 20% loss of power as a result. When the panels were new, the highest power recorded from my 400W array was 196W. Less than I had planned, but I could work with it. Within 6 months of putting the panels into service, array output had dropped to 40W peak. I disconnected and tested each panel, only to find peak full-sun outputs of my 4 "100W" panels to be 8, 7, 8, and 55W. Short-circuit currents of the 3 weak ones were less than 1.5A. Lesson learned: these panels probably output 75% of their rated wattage when they're working well, putting the price per watt somewhere around $1.50. Shop around and you'll find high-quality premium panels (Suniva, Panasonic) for pretty close to that same price point. Don't waste your money here.
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https://www.ebay.com/itm/126144558396
i used the 20% coupon code twice already but if it works, should be $88.38 + tax or $44 per panel
I bought 4 of these panels and connected them in a series-parallel configuration with a decent MPPT charge controller. They're installed horizontally (not angled), so I expected around a 20% loss of power as a result. When the panels were new, the highest power recorded from my 400W array was 196W. Less than I had planned, but I could work with it. Within 6 months of putting the panels into service, array output had dropped to 40W peak. I disconnected and tested each panel, only to find peak full-sun outputs of my 4 "100W" panels to be 8, 7, 8, and 55W. Short-circuit currents of the 3 weak ones were less than 1.5A. Lesson learned: these panels probably output 75% of their rated wattage when they're working well, putting the price per watt somewhere around $1.50. Shop around and you'll find high-quality premium panels (Suniva, Panasonic) for pretty close to that same price point. Don't waste your money here.
Did you test the panels individually after getting them? If not, sounds like 3/4 were broken when they were only putting out 200 watts and then winter came and dropped it down to 70
I bought 4 of these panels and connected them in a series-parallel configuration with a decent MPPT charge controller. They're installed horizontally (not angled), so I expected around a 20% loss of power as a result. When the panels were new, the highest power recorded from my 400W array was 196W. Less than I had planned, but I could work with it. Within 6 months of putting the panels into service, array output had dropped to 40W peak. I disconnected and tested each panel, only to find peak full-sun outputs of my 4 "100W" panels to be 8, 7, 8, and 55W. Short-circuit currents of the 3 weak ones were less than 1.5A. Lesson learned: these panels probably output 75% of their rated wattage when they're working well, putting the price per watt somewhere around $1.50. Shop around and you'll find high-quality premium panels (Suniva, Panasonic) for pretty close to that same price point. Don't waste your money here.
I have two similar ones from another brand. Running them in parallel to charge an ecoflow river 2 pro. Just yesterday I was showing 217w around noon in the Florida direct sun.
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