Size Name:24W NOTE: 1.It’s not advised to charge power banks, which will lead to low conversion and low charging speed. 2.You should try to use only one USB port to charge device when it’s slow to charge or doesn’t work with multiple charging port 3.Please do NOT directly lay the solar panel on CONCRETE, SAND, ROCK or other high-heat conduction surfaces under the sunlight. It will be overheated. Conversion rate and output wattage will be reduced significantly. Constructed with our premium SUNPOWER solar charging cells that have an increased charging efficiency of 21.5% - 23.5%, you can power your portable devices from sunrise to sundown whenever you are outside. Charge Faster, Charge Smarter iSmart technology automatically detects and delivers the optimal charging current for any connected device, ensuring the fastest and most efficient charge. When under direct sunlight, all three ports are individually capable of reaching 2.4A; with a total of 4.8A being reached when all three devices are simultaneously charging. Power for All Having an option for more than one USB port can result in an uneven distribution of power where one device charges faster than the other. With our built-in Smart IC chip, the flow of energy is regulated resulting in every device charging at an even and constant rate. Hang It High or Lay It Low Whether you’re placing it on the ground, stretching it across a tree, or hanging it off your backpack via the four stainless steel hooks, as long as it’s directly under the sun, your devices will charge. When outside and the elements suddenly turn on you, the waterproof nylon covering protects the solar panels while the pouch ensures your devices stay dry. What’s In the Box: 1 x RAVPower 24W Triple-Port Outdoor Solar Charger (Model: RP-PC005) 4 x Stainless Steel Hooks 2 x Micro USB Cables 1 x User Guide
J**H
Great bit of kit for power-users; if you want portability get the 16W version.
So, I wanted to join the solar, eco friendly revolution and do my bit ot save the planet. And, you know, save some money.Since having bought this panel, and a separate Ravpower External battery, i haven't charged my phone. Or my bluetooth headphones. Or my external speaker. Or my usb deskfan in over a month.There are a couple of these solar panel/external battery pack brands on the market today - i went for the Ravpower because i wanted a high power-output panel that i wasn't really intending on taking out and about with me - that, and the stellar reviews. The dimensions of the panel can be found in the Amazon product image, on the inside black panel, in white writing. I must admit that it is a little bigger and heavier than i expected, but frankly, since i'm leaving it in the garden, that's not really a problem for me. I wouldn't really wear this on my back when hiking - but there's a smaller 16W version available from Ravpower for that purpose.One of the advantages of the Ravpower panel over some others is that it recovers from "cloud cover" very quickly. I've heard that other panels will slow to a crawl when a cloud passes over, but not recover fully when sunshine resumes. This isn't a problem for the Ravpower and i watch the amps climb back up to normal pretty quickly using my usb multimeter... Muker-J7 USB MultiMeter Compatible with QC2.0/QC3.0:Test Current (A) Voltage (V) Energy (Wh) Resistance(Ω) Capacity (mAh) and Power (W) ...There are 3 usb output sockets on this panel, each of which is the variable quickcharge/adaptive charge type - meaning that if your phone can only draw 1A of power - but the panel can output 2A under the lighting conditions - it will still only provide the 1A, keeping your phone safe.Truth be told - and this holds for all of these panels, regardless of the brand - you're not going to get anywhere near the stated output (24W). USB has a 5V potential, meaning 24W would need a 24/5 = 4.8A max output (this is shared amongst the 3 usb sockets on the panel, but each socket has max 2.4A output individually). On the hottest of summer days here in the UK, I got max 1.8A (that's in total, with one device plugged in - and no, the device wasn't the bottleneck). Granted, this is the UK, but please dont buy this thinking you'll get 24W, because you wont - unless you're in a Ravpower lab, or an Anker lab, or an Aukey Lab or like, physically on the Sun :P1.8A, however, is 2X what you'll get out of a USB3.0 port (0.95A) and nearly 4X what you'll get from a USB2.0 port (0.55A). My brother always teases me for fiddling with my solar panel and batteries and other tech, but when i can charge my kit 4 faster than he can it doesn't bother me :PSince this panel doesn't have an integrated battery - and most dont - i paired it with a large capacity Ravpower external pack. Feel free to pick your own, but i use ... RAVPower Portable Charger 22000mAh 5.8A Output 3-Port External Battery Pack Power Bank (2.4A Input, iSmart 2.0, Density Li-polymer Battery) - Black ... because it can accept a charging current of 2.4A, meaning it wont bottleneck the solar panel when charging in bright sunlight. This conbination allows me to charge the battery during the day, and then top up my phone and other devices in the evening.Under average sunny conditions here in the UK, i can get a steady 1.4A, which should charge most phones in a couple of hours - certainly faster than your computer - or most wall sockets - can.Build quality is great, it has a rugged feel to it, but not tacky. While it's kinda-sorta water resistant, I wouldn't leave it in the rain. I accidentally left it out when it was drizzling for about 5 mins, but when I got inside it dried it off, it worked fine :)Cons: Hmm... there's not much for this device. Possibly the size and weight, but then again, you already know that you're getting a "bigger" device before you press Pay. There's a smaller 16W version by ravpower which should be suitable if you want smaller/lighter. Also, it's not particularly effective when used indoors, especially behind netted windows - but i reckon that holds true regardless of the brand.The pack come with 4 carabiners for easy mounting, but i haven't used them yet. (Also, they feel a bit flimsy, so dont even think about repurposing them for climbing equipment. Should be perfectly fine for holding up the panel no problem, though)All in all, a great bit of kit for leaving in the garden - especially when combined with a battery pack (just make sure you get one which can charge at more than 2A to avoid bottlenecking) I wouldn't personally take this camping with me, unless i was stationed in one place for a long time and could leave the panel for the whole day. I wouldn't want to put it on my back. However, having a large external battery can solve this problem.If you're wondering whether or not to buy a solar panel at all, remember that i haven't charged my phone, speakers, headphones, fan or desk lamp from a wall socket since i bought this item - i'm saving both money and the planet, one device at a time - and you can too :D
B**T
Best Solar Charger I Have
I bought this in April 2018 but only managed to try it out today for the first time.Weather was 7/8th cloud cover, degrading to 8/8th, i.e. complete cloud cover.I laid the panels out so all panels were exposed, then plugged my Samsung S7 Edge into it...It began charging immediately - even with the total cloud cover. This was pretty impressive & while I listened to music as I read my book, the panels maintained the phone at 100% charge on the phone battery with what seemed an effortless efficiency. It's worth noting that the phone was transmitting to my Bluetooth headphones the whole time, so the phone was working hard but the panels worked a treat.My only disappointment is that they're currently £40 cheaper than when I bought mine, haha.I have had several solar panels but this is by far the best I currently own, so I have no problems in recommending it.10 out of 10 :)
M**H
Good when sun shines
Used for a few days, worked well placed in the sunroof of our motorhome as long as the sun was shining. If not sunny then charge from the power bank, tablet or phone was reversed. This was disappointing as the product worked so well when sunny but because of the reverse charge it would need constant supervision. Returned item to Amazon for refund
J**L
Well worth it :-)
Standard intro: I sometimes find it hard to trust reviews that are written 10 minutes after the item has been delivered. That's why I don't write a review until I've had the chance to actually use the thing I've bought (and yes, I bought this myself and haven't received any reward or pay back).As regards the RAVPower UK RP-PC005(B) Solar Charger 24W, I'm more than happy with my purchase :-). It's about as tall as a sheet of A4 paper but not as wide, so easily portable. You just open up the folder, point the panels towards the sun, and attach the (USB) things you want to charge - simple. Do bear in mind that this charges directly - there isn't any power storage - no problem if you have a USB battery (as opposed to this solar) charger.I've been using my charger in the UK without problem, next stop Greece. Can't recommend this highly enough for wild camping. Enjoy
A**S
Stopped working after 2 years
I really enjoyed using this to lower my footprint and while I didn't seem to achieve the quick charge times of other reviewers, I was content.However it has now stopped working almost exactly 2 years after purchase.The only elements it has been subject to besides the sun is condensation, so I can only imagine that that's what's done it in -and that seems like such a regular thing, given it's heating up in the sun then cooling down when the sun goes down. So the water resistance must be extremely poor as that's the only water it's been subject to, it's NEVER been caught in a shower.I'm genuinely saddened and I don't know if I should bother investing in portable solar panels again.
C**C
Doesn't work in overcast London nor in sunny Italy
I purchased 2 of these solar chargers (along with 2 power banks of the same brand): one for myself to use in my London flat and one for my sister who lives in Italy.Because the power bank arrived fully charged, it took me a while to empty it and connect it to the solar charger to see how well it would work. As it turns out, not at all.I have repeatedly left the charger by my window in full sun in the morning to come home in the evening to a nearly-empty power bank. I thought this might be due to London's weather (sunny for 2-3 hours in the morning, cloudy the rest of the day), though the makers of the charger should really warn most of their UK-based costumers before they buy a device that only works in bright light.But then I heard from my sister: the charger won't work even in sunny Italy. And because it is past the 28-day refund period, we are both left with unusable devices.
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