RICH SOLAR 300 Watt 12 Volt 18BB Cell Monocrystalline Solar Panel 2 Pack of 150W N-Type Cells High Efficiency Solar Module for RV Marine Boat Off Grid (150W 2-Pack)

What can I say? Rich solar is the best. Have 1,000 watts of panels on the roof of my RV. Runs all the minor electronic devices, TVs, lights, fridge and what nots. Don't have the system to run the A/C, Microwave or Keurig, yet. But they could. Works really good keeping the Starlink running. Keeps the Mrs. happy.

This review is for the 200W panels. I am using multiple panels in an off-grid system. They were delivered in super sturdy boxes with nice heavy foam protection. Panel build quality is very good, no visual cell defects, excellent mechanical construction, edges line up, etc. Sealant is used where required; quality and application of sealant is good. The aluminum frame has multiple mounting holes, and there's ample room to drill more if required without affecting frame integrity. The glass appears to be good grade; it has a slight random pattern texture on the exterior surface. Junction box and connectors are good quality. Box is sealed with an o-ring. Although they are plastic, and obviously of 'foreign origin,' they seemed to be solid and well made. Soldering and component attachments were good. Lead wires are 3 feet, 12 AWG aluminum. Yes, aluminum, not tinned copper. I did a chemical test to confirm. Does it make a difference? Well, compared to 10 AWG copper, these will see a loss of about 1.2 watts per panel. Not significant in my opinion. Now for the numbers. I'm at about 33 N latitude, ~700 ft elevation, date is around April 20; we're on DST so the max solar elevation is right around 12:45 pm. Load is a discharged AGM bank in good condition, charge controller is an Outback FlexMax 60. In cloudless skies, output stayed about 180W per panel from about 10:00 a.m. to 4:00 p.m. with a peak of 188W. Power at 1.5 hrs post-sunrise and pre-sunset was 140W. These are all on an azimuth tracking mount. For some other numbers..... On a partly cloudy day, low white clouds with breaks, output was 220W at 4pm. This is typical of the conditions, because the low clouds reflect back some of the light. And because the light is so scattered, I still got 200W even when the panel was only aligned for elevation. On a fully cloudy day, with zero sun, output was a solid 50 watts, which is about what to expect. About 20 minutes before sunset, on a cloudy day, output was 10 watts, still enough to keep a float charge going. Not terribly useful, but just an interesting data point. There was a fair difference in output when alignment was less than optimal. In an Elevation-Only alignment, total output was about 800 watts from 10:00 a.m. to 4:00 p.m., and 1080 watts fully aligned. If you add the "after hours" power, it makes an even bigger difference. This is a higher than expected difference, and I suspect that it's due to the lack of anti-reflective coating on the glass. Bottom line: great panels at a good price, nice for smaller projects that don't need the large full size panels. I would definitely buy these again. Update 8/26/20: So I actually did buy 2 more. However, my experience was a bit less than 5 stars. The 2 panels I received were packaged in old looking boxes, without the protection of the original 8 that I bought. They were not damaged though, except for some dings on the frame. They had a different cell style, and different junction box, but had the same product label and were marked as '200 watts.' In operation, they only would produce about 190 watts under test conditions (I used simulated lighting and loads for a fair comparison). In real world operation, I was able to get about 185 watts. I contacted Rich Solar, and they were quick to respond with a partial refund, and to keep the panels. In this case, I was actually ok with keeping the panels, so I accepted their offer. So what I ended up with is 190 W panels at a slight discount. I may buy again, but I will contact Rich Solar before purchasing to verify what I'm getting.

Easy install- but don’t forget to buy the installation brackets that come separately. We now have 14 of these panels and they’ve withstood hail and wind storms. They “collect” the sun’s energy efficiently and reliably.

UPDATE AT THE BOTTOM OF THIS REVIEW - JUN 2025 If you are a fan of EGO batteries and tools this panel fits very well with the Nexus PST3040, PST3041, PST3042 and CH1800 products to charge your batteries using solar energy. EGO does not recommend a panel with a rating over 100 watts, but we all know that panels never generate the rated wattage. Since the EGO CH1800 supports 180 watts, a 200 watt panel seems a good match to provide that extra power to get batteries charged faster in most conditions. It has worked exceptionally well for me for several years. Unless you park your EGO Nexus PST system right behind this panel, you will need a set of MC4 extension cables. You also, of course, need the EGO CH1800 charge controller. Hooking it up is fairly straightforward. I bought a mounting kit for the panel and put it on the remains of my kid's wooden outdoor play set. In North Texas it charged a 7.5 Ah battery with decent sun to panel geometry in about 5 hours but I think optimal geometry would have taken 4 hours. I also charged four 5.0 Ah batteries with mostly optimal geometry in 11 hours over the course of two days. I have since added a secondary position for the panel to pivot for later in the day to maintain close to optimal geometry. It makes a big difference, as I have seen faster charging times than my original observations. UPDATE JAN 2023 This setup has allowed me to cut, edge, weed eat, and blow grass through the entire 2022 season with no need for grid power! I’m not a tree hugger but it’s pretty cool to have been energy independent for all of my lawn care. I also have a battery powered vacuum for my house that I recharge using my solar charged ego batteries and nexus system. I’m sold on this system! UPDATE FEB 2024 Same results as last year. I am surprised how fast a single statically pointed panel is able to charge my 7.5Ah and 5.0Ah batteries. It makes a difference with using the 200W panel as I have heard complaints from others that it takes a long time with a 100W or 150W panel. Regardless, it is working well for me and I intend to continue using this panel to fully power all my lawn equipment. UPDATE JUN 2025 ...and the beat goes on. I have expanded my EGO system of tools and batteries and remain committed to using only off-grid power to run all of my equipment (including the use of two new 12.0Ah batteries). Yes, the 12.0Ah batteries do take longer to charge but I am proof that this panel can be used to keep up with average to heavy use. Something worth mentioning - we had a power outage earlier this year and I was able to run fans and computer equipment for the better part of a day using off grid power in my EGO batteries. The panel continues to provide strong current and I couldn't be happier with the setup.

Recently we removed a diesel generator from our live aboard boat and upgraded to lithium batteries with Victron MPPT solar controllers. We already had 3 - 320 watt solar panels and needed to add more. We installed 3 Rich Solar Mega 250 panels for an additional 750 watts. The output is amazing even on a cloudy day! Of the 250 watts they’re rated for we’ve been averaging 200 watts per panel, that’s 80% efficiency!! We chose these for their light weight and compact size. Arrived quickly, well packaged and easy to install. Good quality, well made, reasonably priced! Highly recommend.

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