DOKIO 100W Portable Foldable Solar Panel Kit (19x26in, 5.3lb), with Separate Controller and Dual USB, Monocrystalline Charger for 12V Batteries & Power Stations, RV Camping Trailer Emergency Backup

This kit can charge a lifepo4 battery. Maximum charge current is coming from this cheap pwm charge controller, it's only at around 14.6 volts max voltage from this controller with this solar panel. Which is enought to charge a 12v lifepo4 battery at 14.4 volts charging. The only trick to charge a lifepo4 battery more quickly, is to have full sun day on solar panels. Best to invest in a mppt controller charger, but not totally necessary for a small solar panel setup like this. 14.4 volts in full sunlight on this solar panel to charge your lifepo4 battery fully. Make sure solar panel face is facing sun at 90 degrees to sun for best voltage. These solar panels seem to work, but they are fragile. Do not bend them too much, I heard one making a slight crackling sound when bending slightly. Good to have or make a solar stand that supports this solar panel well so it doesn't bend much. Like make a solar stand out of pvc pipe and carriage bolts to make a folding frame stand. Nice to have this light weight portable solar panel. Does charge a 12v lifepo4 battery 50 ah pretty quickly. But better to buy another solar panel to get more juice to battery for when you have loads on battery, and for charging, topping off your battery much faster. Too bad that all solar panels are only about 23 percent efficient or less. Can you imagine if solar was 100 percent efficient ? You could then run the whole World off of pure sunlight !!! Plenty of power comes from solar if We could get much more efficient panels, controllers and batteries. We need about 50 percent more efficient solar for it to really take off, and for a forever energy source. Solar panels used in space by NASA etc. like on all satellites, work better in the coldness of space, if you chill a solar panel down in temperature you can get much higher charge current. Much More effeciency from freezing temps, on a solar panel.

So far so good. Over a month Most iv pulled is around 80watts without tilting the panel. Charges all of my power stations fast mid day. Bought it for portable, but it just works so good I kept it up!

I use two of these panels connected together to provide power to my travel trailer and they provide enough power to run the lights and water pump and charge our laptops and phones. The panel can definitely put out the rated 100 watts with full sun and an open sky. Here in Michigan, with often-cloudy skies and lots of trees, they usually put out less than that. Even so, two panels is generally enough. If I camped in the desert, one panel would probably be plenty. I bring a very small generator as a backup but use it very rarely. I've found that it's key to have a long power cord so that I can place the panels wherever I want on my campsite to get the most sun. 50 feet of cord does the job well. The charge controller provides a lot of useful information about the panels' output and I like that. Although it seems to really be designed only to handle the power from one panel, and it can overheat if I get several hours of very bright sun. I bought a different charge controller that can handle the power from both panels in full sun--I think it was $20 or less. The panels themselves seem to be of decent quality, though the sewing on the nylon wraps is poor quality and has already come apart in some places.

This is my second purchase of this brand of solar panels and I really like them. Quality product for an inexpensive price. My first panels lasted 9 years with yearly use. I like how light and portable these are. I get 13.9 charge, they come with a digital connector and a kit of tips. They can be hung up or propped on the ground. The variety of plugs allow for difference power stations. I have a jackery and I use the Anderson connector or the tip connector that comes in this kit. Ive spent winters in the AZ desert, camping in the mountains, boondocking, etc. These panels are great!! I am extremely pleased with Dokio! (P.S. I actually like them better than my Jackery panels!!)

These panels are reasonably tough, but don't bend them. This is my second purchase of this brand, and I like them for use out in our harsh high desert environment. They fold out fully and can be laid flat on the grtound or propped on a bush.

First let me say that I had no intention of using the included charge controller, I already had a good controller salvaged from an upgrade to another implementation that I intended to use. But this kit was cheaper than the similar panels offered without a controller and I thought I could use the included controller for other implementations. Any way the controller smoked when I first hooked it up for testing and seemed to lose some functionality but was still charging the battery. I hooked it up today with my Sunsaver controller and it wasn't charging. I unplugged the panel and checked the panel output and noticed that the current from the panel is reversed, the red wire is - and the black wire is +. I switched the connections at the controller and it is now charging. Otherwise the panel is a good buy, it consistently outputs 21+ volts with no load. I'll have to see how it holds up over time but I'm well pleased with it right now and would recommend it, as long as you are not depending on the included controller. Edit 3/13/18: Used the panel for a week of dry camping trip to maintain the battery in my truck running a 12 volt dc fridge/freeze while parked at the campsite. It not only kept the fridge running but kept the battery fully charged. Edit 11/25/19 Not quite two years old. The panel still functions as good as new. With little more than 4 to 6 months actual use It is showing severe signs of UV deterioration in the fabrics. Most noticeably the edge binding is becoming a little ratty. One of the d-rings pulled out due to UV damage to the fabric loop it was sewn into. I'm continuing to use it but lowering my rating to 3 stars. I think I will probably be replacing it soon.

Works great! Easy to transport. You can charge devices right off the controller or hook to a RV battery.

This is going to be an oddball review. I ended up cutting the cords and putting the panels in series to give me a 24 volt solar panel. I then use this on my boat top to charge my trolling motor batteries. I used a 15 amp victron charger to do the work, and it worked beautifully. The setup is really nice, and I haven't encountered any problems so far. I'm only giving it four stars because I've never seen the input go above 63 Watts. While this is still fantastic and charges my two batteries easily within days of sitting at the dock, it's still a far cry from the rated wattage. I didn't use any of the attachments that came with the panel, or the charge controller. Unfortunately I can't comment on any of those. I assume they'll get the job done for anyone purchasing this as it's intended purpose. I know the panel isn't meant for being outdoors for this long, but I had a hard time finding a panel of these dimensions with these specifications, and specifically something that I could run in series to get 24 volts. So far it's been 7 weeks and I haven't encountered a problem. That being said, I don't fully expect this to last forever. Eventually the connections might corrode on the panels themselves, but that's due to my own use of the item that it isn't intended for.

Arrived promptly, but heavily scuffed and scratched across both panel surfaces. Don't know this is a returned/used item, or just poor packaging ( I suspect this will somewhat affect its efficiency). I did set it up, and it does work to charge up my power bank. Update to my review.....Dokio customer service rep reached out re my concerns and I will reorder the solar panel.

Bought for emergency use for our camper. Came in handy on our last trip. Easy to set up and hook up

Ne donne pas les 4.5 ampères comme devrait , et cela même si je met le panneau le plus au 90 degrés possible avec le soleil !donne seulement 2.3 amps! Déçu !