Apowking Portable Solar Panels 40W, Foldable Solar Panel Charger for 100-300W Portable Power Station, with Adjustable Kickstands, DC 18V Output, USB 3.0 and Type-C Ports for Camping Van RV Trip

This thing can do some serious charging and is easy to haul around. Love mine.

Thank you for my order, Apowking portable solar 40W panels. When I first received them the smell of chemical in the material was very strong. I had to air them out. it took awhile for smell to disappear. But I love them they work! while I worked on a storage my phone needed to be recharged so I used my Solar Panels. the panels charged my phone while I used the phone, Great Job! ....My Apowking portable power station needed to be recharged half way, so I used my Solar Panels, and it quickly recharged it.I have not tried my laptops yet but I know the Apowking portable Solar Panels work great! ..they are great for students you can do your homework anywhere even at the park!

Got this foldable 60W panel on a super good deal (<$100), perfect for a rechargeable battery pack inverter for emergencies. Performs great with high efficiency cells, down to low light/clouds as specced. Multiple adapters included, charge-ready 5V circuits available without battery intermediary. (You can charge your phone right off this panel, etc.)The utility issue I realized after I got this is, this is a 'fair weather' panel ...To make it portable, it's wrapped in some sturdy (nylon?) cloth, which let's it fold into thirds so you can carry it like an oversized briefcase. This, plus the minimally shielded electronics (letting you hook your phone and everything else directly to the panel), means you can't leave it out in the rain - No!It has clever angled props to face it at a good angle to the sun, but a good wind will knock it down or slide it off the table -oops. (Or the curious dog can swipe it.)So this means you either have to babysit it, or put it away when you're not there/wind/rain/dogs/things you can't control.A trade-off I didn't see at first. But since it works best in the sun, this is a sunny day item!Not a set it and forget it item, nope.When it's working, it's awesome for the price!!

Put it to the test in the Caribbean during a storm. Recharge at a decent speed. Used it with a portable generator to recharge the batteries and got a full charge within a few hours

While I cannot speak to the longevity of this product (40w version), I can speak to the size, weight, and charging ability. I just spent a week in the Boundary Waters with scouts and I must travel with a CPAP. We canoed about 9 miles in a day to reach our campsite with about 9 portages. I had this panel strapped neatly under the canoe seat with some dealy-bobs.I run my CPAP off a 40k/mAh battery (generic) that has a 15v/2amp charge port. Most panels available only have USB (5v) outputs, whereas this panel has USB 5V as well as DC 15V output. I compared a 'well-known' portable panel with it's proprietary connections, that weighed more, and cost roughly $200 more than this. After purchasing this and testing it for a couple weeks before my trip, I put it to the test. On a bright sunny day, my battery goes from 0 to 100% in about 5 hours which actually seems faster than using the AC adapter - I have yet to do a timed test. Weight for a 40w panel was great, especially with the additional weight of the battery and CPAP - I needed something that could charge as much as I needed but still be portable. Size, while I could have fit the panel in my 85L backpack, I had too much other gear for a week-long trip and decided strapping it under the seat as the best mode of transportation.Bottom-line, after charging my battery and the rest of the leaders' and scouts' electronic devices on the trip for a week, this is well worth the money! I also appreciated the DC plug adapters which I needed for charging the battery and CPAP (to the battery). I would highly recommend upgrading the provided DC cable as 22 gauge just wasn't robust enough to handle the power effectively. I went with an 18 gauge charge cable.