Massimo 300-Watt Solar Foldable Portable Solar Panel for Power Generation, Monocrystalline, Folding Solar Panels with Adjustable Kickstand, Battery

So far I like what I bought. It was shipped quickly and arrived packaged well. I set it up and verified I was making power, while in the sunlight, I charged a couple of small devices off of it. They charged up almost as quickly as on Electric outlets.

I've had this for almost a month... some days I can get it to charge around 270 watts per hour... I would say on average it charges between 220 and 240w per hour. Extremely happy with the purchased and highly recommend the panel.... it seems very durable, well built.

Florida in December, clear sky and full Sun I'm sustaining 240 Watts into my power station. Same location at Noon but with full overcast I'm seeing 70 Watts, kind of what is expected. The portability of this is a huge plus. I'm actually thrilled with the price/performance and I feel i made a great choice. Completely satisfied. The 100 Watt version is very well priced now, thinking about getting one of those and throwing it in my trunk so i can always recharge phones.

produces over 200 wats in good sun and even after it gets hot from the sun. A bit heavy but seems well constructed. Tie down ties should be used with para cord threaded thru the loops to make them last. Has just about every adapter except the 8020 adapter for Jackery E1000 and E2000

Quick shipping arrived in 3 days. We'll made panels, sets up easily, lots of connection options, panels are solid do not flop over. Can't beat the price 33 cents a watt, have built in stands. We're sold originally at cosco for $419. Was able to get 220w on a winter day. (May have been more buts it's all my power station can absorb) Cons heavy 25 lbs, not water resistant, large 114x 26inch. Older technology only 21% efficiency. For the price they can't be beaten.

It's a bit unweildy, as are the other foldable solar panels I've tried, and a bit heavy, but works ok. I only get about 150 watts max with full sun, so about 50% of the rated amount, but that seems to be typical of solar as well. It gets about 5 watts in shade. Given what I paid for it, I'm happy. I wouldn't have thought it was a great deal if I had paid more than $100, though. If I could find another of these "300W" ones for $100, I would buy another.

Great solar panel, it's on the heavier side since it's a rate of 300w. I tested the panel with my powerbank, I'm getting 250w at the best time of day. It seems has a good effect rate.

I ordered and paid for three and only received two. I am going through the hassle of finding the third.

Didn't even break 90 watts in full sun. Seller didn't respond to my message.

Can get 200w, but have never seen more than 200w. Not a bad deal, still at $150(less than a dollar a watt) but it is advertised as 300w. Figured I'd get 250w or so but 200w even was the most I've ever seen. Mostly runs around140w to 160w. Just getting around to trying it out(lots of rain last couple of months) so too late to return. Disappointed.