ECO-WORTHY400W Solar Panels 4pcs 100 Watt 18V Monocrystalline Solar Panel Module for Off Grid PV Power for Home, Camping, Boat, Shed Farm, RV,12V Battery,2-Pack 2 * 100W

Great price and they work great. I bought 3 of these (12 panels) and they work as they should hooked up to my Eco Worthy 48V 5000W AIO system. I had them temporarily hooked up just laying flat on the ground when there was a flash flood. Even under water they were working fine and producing power! They were partially or completely under water for 3 days working and producing power as normal. They still worked fine after digging them out of the mud. I now have 4 of the panels hooked to my 12V system and they work great there too.

I picked up these 4 - 100w panels for about $50.00 each on a Black Friday deal, thinking they would make a nice addition to my Express van camper. They shipped quickly, but only 2 of the 4 arrived initially, the 2 went back, and the 4 finally arrived. I tested each panel, one at a time, connecting them to my Delta 2 while on my balcony. I was looking for consistent performance from each panel, and how they would perform, flat versus tilted, in So Cal on a sunny December day. The panels each delivered 20 - 30 watts flat, and about 35-45 watts tilted around 30 degrees. Performance was about what I expected and reinforced my plans to incorporate some kind of tilt mechanism when mounted on my vans roof.Then while fiddling with a panel, a gust of wind caught it, I lost my grip, and watched my panel crash to the ground, fortunately it hit on a corner and stuck into the sod. After rinsing it off, inspecting for damage, finding nothing visible, I tested it out again and was surprised to find it working just fine. These things are well built. It is now 2 months later, they are mounted on the roof of my van, with my homemade tilt mount mechanism, and the days are getting longer. The panels are mounted in a serial - parallel manner and I am happily getting as high as 300-315 watts on a good day. Overall, I am pleased with the purchase, performance, and the price. As spring approaches, I may get a few more watts yet, as I tinker with my tilt angles.

Good quality panels packaged well and output is acceptable for the price. I would buy it again to expand my solar system.

Please note that this product requires something called well nuts to connect it to campers, RVs or boats. Also note that well nuts do a terrible job in high winds. Mine blew off during high winds while coming up from Thatcher to Phoenix after an event. My suggestion is to bolt it down to a camper roof rack. I bought one and I bolted it fast to it and that is not coming off. Do not trust well nuts!Other than that, these things work perfectly. I bought this to mount my replacements on. Much sturdier.https://www.amazon.com/dp/B0896XJQN6?ref=ppx_pop_mob_ap_share

Whoever reviews these solar panels and doesn't get the correct results for them is not setting them up correctly. These panels meet the specifications 100% or better. A single panel in direct line of sight at the 90° (flat with the sun directly overhead) at a surface temperature of 70-80 degrees will provide 100 watts at 18-22 volts. With 12 panels in a series & parallel configuration to provide 120 volts, I have documented 1,255 watts at 128 volts. Recorded via Victron Smart Controller and Victron shunt. Buy them when on sale, or in bulk. Keep them clean, mount correctly.

Deceptive advertising. These are not 100w panels as they only put out a max of 75w. I purchased 16 of these and unfortunately had already installed 8 of them before realizing that my control charger was only getting 300w per 4 panels, 600w total… in full sun. My other brand 100w panels (set of 4) was doing 400w. These are mounted 8 inches from the Eco-worthy panels capturing the same sun. The separate reading were from 2 BougeRV 30 Amp Chargers also sitting side by side on my power board and switching inputs between the chargers.

Eco-worthy makes fantastic protects. I have now installed 600 watts of their solar on my 1000 watt system, and can honestly say these panels perform excellently. I have tried them independently of my other panels and they all put out above the rated capacity. I charge my batteries up with in a couple of hours now thanks to my solar setup. I do plan on buying two more panels to make my siren 1200 watts total. For the price of these panels you really cannot find anything better.

Great set of panels, easy to install and easy to maintain. Size and weight ratio is good considering the quality of the panels. Output seems to be great so far.