Bifacial 100W 12V Solar Panel 9BB Monocrystalline Cell 12 Volt for Marine RV Trailer Boat Cabin Van Car Uneven Surfaces 12V Battery Charge

Pro: These are Bifacial so i first tried using a mirror under it to but i could only get up to 79w that way. Then i did some internet research and it said to try a white panel with a matte finish to have diffused light. I found the cardboard box the panel came it is sort of ideal so i spray painted the inside with a matte white and tried them again and got up to 92w- a big difference! so KEEP THE CARDBOARD BOX it comes in. It works as a good base when painted white and it is a perfect case to keep the panels in. That 92w is in Washington state in winter so the sun is very low in the sky going through a thicker part of the atmosphere. In summer when the sun is high I should be able to get over 100 with each panel. They are very light and easy to move around. CON: The Junction box is on the front of the panel which is unconventional and a little strange but easy to work with. If you are looking for the Maximum series fuse rating I contacted the seller and it is 20A

Some of these panels sometimes arrive bent on the outer aluminum frame, I know these bend a little, but shipping damage can break or crack the solar cells near the aluminum edge. This company needs to package them better, often they get bent or damaged in transit. Only gripe. It works well up to specs rating. But i do not know if a bi-facial panel works any better as just the one sided panel ??? The price is good on sale....I think it puts out 120 watts in bificial sun? Not sure yet have to do a solar array test. I have these wired in pairs series, to make 24v. Make sure buy in pairs, 2 solar panels to make 24v. Less large wiring, more efficient in 24v over 12v. No reason to not get a 24v mppt charge control, even when you run 12,v batteries, you always run 24v solar to a mppt charge controller, it auto detects the proper charge voltage either 12v or 24v batteries, using 24v solar always, much cheaper to wire. No need to ever go 12v solar if you can avoid it. And or buy a 24v panel single, either way they make 24v. Good for efficiency. I do like the tiny bubble magnifiers built into one side of this panel. Seems to collect light rays at almost any angle. Not angle sensitive so that is a plus. Would work great on a flat roof like house or RV roof. Plus it weighs a lot less than an aluminum glass framed panel. Plus it's flexible to match contour of a RV roof up to a point, don't flex it too much. The other side bificial I will test output soon. I'll get back...... However needs spacers underneath to catch light on bottom of panel and for cooling panel. Plus one side of panel uses different colored solar light gathering diodes cells. Not sure how well bi-facial panels work ?!? Seems to be inconsistent different colored diode cells on one side. Probably okay. Works better on face side, more voltage and amp output. So who knows without testing. Front face is all the same quality. Has nice aluminum thin frame around perimeter. Nice looking and light weight. Looks durable enough. Has a good warranty. Time will tell.

I have mild expectations from these types of panels, but they are SUPER light weight and thin, easily moved in and out of the pass through of my trailer. I really like this biracial panel because it’s semi rigid, thus it stands up on its own when leaned against a tree, tire, rock etc. This panel provides 50% more power than the flexible panel it replaces.

The panels bent after 2 months. The output is okay but it really depends on what quality of panel is shipped to you. I received a few that bent (with sun heat maybe?) over course of two months

I was able to get close to 70watts from this unit and maybe up to 60 watts from the so called back side. I am seeing the potential of this unit to work on East West orientation to get sun early in the morning and closer to evening. Very good panel. I love that it has a nice aluminum frame. And very reasonable price.

Felt cheaply made. Solar output was less than advertised. I got around 45-55W per panel in Miami strong sun. They were light and easy to transport, but not flexible. Returned it. Went with another brand on here that was a fixed 100w panel that was smaller and worked better. Also 18BB not 9BB

Picked 4 of these up on Prime Day for $59.37 each. Tested the other day in central Texas using my Bluetti EB3A, and each panel was generating 90ish watts from the primary side and 60ish from the secondary side. Each panel was angled up to face the unobstructed early evening sun (5pm or so) in July, so likely got a bit of reflective action via the side facing away from the sun. Occasional clouds lowered production significantly of course.

It is not charging my Pecron generator. December is the worst time of yr. For testing this. I did 20 mins in direct afternoon sun. No charge at all ??? Depending on return date, I might try again. Disappointing! !

7/３に購入いたしました。トヨタルミーに搭載しました、使えますね、取扱説明書も日本語ですよ、

Placa solar ultraligera con salida positiva y negativa cable mc4. Marco aluminio con agujero precortados para anclar donde tú quieras. El voltaje y descripción que indican es correcta. Recomendable 100%.

ordered 3 panels in total ordered 2 double sided panel the second order. one panel the aluminum is snapped and with a cracked cell, so I ended up with 2 working panels and a faulty broken one performance isn't on par with my other panels, two panels in series (200w) gives 0w at times when other 100w panels from other brands still have around 30w-40w. I noticed also the voltages going crazy on my microinverter (EF PowerStream) comparing two in series (200w) vs a 220w EcoFlow panel is night and day difference which makes me doubt the advertised efficiency is correct because both panels advertised being 23%

発電性能はそんなに高くないと思うけど、安くて軽いので使い勝手はいいと思います。 折りたたみより防水性能も値段も安いので、個人的にはこっちの方がいい

車の屋根に取り付ける為に軽いものを選んで購入しましたが。縁のアルミの強度が心配でやめました。フレキシブルパネルに5ミリ位のアルミの縁を付けただけなので中央を押さえるとふかふかします 取説では両面発電なので塀など垂直取付けを推奨していますが 台風の時などに風を受け大丈夫かと思ます 以前200Wの両面発電軽量タイプを購入しましたが、3cmのアルミアングルの縁がありしっかりしていました。取付けはやはり垂直方向を推奨していました中央を押してもしっかりしていました。