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DOKIO

DOKIO 400 Watt Solar Panels 10BB 12/24 Volt Solar Panel kit High Efficiency for Rooftop Portable Power Station Farm Yacht RV Camping and Other Off-Grid Applications（400w）…

    • Based on 399 reviews
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Size: 400w


Features

  • High-quality materialsExtra long 3m cable.Corrosion resistant aluminum material can withstand the changing outdoor environment and prolong its service life.
  • ApplicationSuitable for Caravan, RV, Golf car, Electric car, Yacht, Boat, Tent or backpack ect. It is the best choice for home energy investment.
  • sturdy and reliable It can withstand strong winds and Snow loads.IP65 Rated Waterproof Junction Box can isolate environmental particles and low-pressure water jets.
  • Installation FriendlyEach solar panel has specially designed pre-drilled holes for easy installation. It can fully meet the installation needs of various applications.
  • Long WarrantyAs a professional solar system manufacturer, We promise an extra-long transferable power output warranty of 5 years. Whenever you encounter any problems, DOKIO Solar Panels Service will actively provide you with professional solutions.

Brand: DOKIO


Efficiency: High Efficiency


Included Components: Bag


Maximum Voltage: 12 Volts


Maximum Power: 400 Watts


Manufacturer: ‎DOKIO


Item Weight: ‎49.9 pounds


Product Dimensions: ‎67.8 x 44.65 x 1.18 inches


Country of Origin: ‎China


Item model number: ‎DSP400M


Size: ‎400w


Shape: ‎Rctangular


Maximum Power: ‎400 Watts


Included Components: ‎Bag


Batteries Included?: ‎No


Batteries Required?: ‎No


Date First Available: December 22, 2023


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Top Amazon Reviews

    • Excellent For My Two Semi-Portable 200 Watt Solar Panel Arrays For Field Day!
Review Image by Scouter III Scouter III
Review Image by Scouter III Scouter III
Review Image by Scouter III Scouter III
Review Image by Scouter III Scouter III
Review Image by Scouter III Scouter III
Review Image by Scouter III Scouter III
Review Image by Scouter III Scouter III
The original 100 Watt solar panels have a lighter frame and are therefore lighter in weight than the heavier framed Renogy 100 Watt panels that look and perform virtually the same. I used four of the lighter weight DOKIO 100 Watt panels to construct two pairs of panels that are piano hinged on one side. I attached a cam action sash lock (to hold them closed) and a carrying handle on the other side. I sealed each of the screw locations with Loctite PL Marine Fast Cure Adhesive Sealant to prevent moisture entry. I positioned the solar panel sides to the inside of the hinge configuration to protect them during transport and carry. These two hinged assemblies when opened and wired together provide a nominal 400 Watt solar panel array. Note - the following information applies to DOKIO's original 100 Watt solar panels, not the 150 Watt panels described here on Amazon. Depending on your charge controller, you can wire the four 100 Watt panels in parallel (high 23 Amps/low 22.5 Volts) or in series (high 90 Volts/low 5.75 Amps). Another alternative (depending on your charge controller limits) would be to wire each pair in series (45 Volts/5.75 Amps) and then wire the pairs in parallel (45 Volts/11.5 Amps). The higher volts and lower amps can use smaller wires (10-12 Ga.) to efficiently (and safely) transport the power from the solar panel array to the charge controller if the charge controller is rated to handle more than 45 volts or 90 volts respectively. Update January 31, 2019 - At Ricky's request I added some pictures. Keep in mind that solar panel Wattage ratings are calculated under PERFECT conditions (the PANEL at 77 degrees Fahrenheit [not the air around it], 100% clean air and the panel perfectly aligned to the sun's rays). Virtually all solar panels will produce only about 70-80% of the panel's rated wattage in hot summer temperatures (-5% per 18 degree increase in the PANEL's temperature over 77 degrees). On the other hand, they can typically produce MORE power than the panel's rated wattage on very cold and bright sunshine days (+5% per 18 degree decrease in the PANEL's temperature below 77 degrees) so make sure your charge controller can handle the higher power if you plan to use these under very cold conditions. I discovered that I also need to work on controlling the RFI caused by the combination of my Chinese Manufactured MPPT charge controller and a 600 Watt Inverter ... RFI is not a good thing for operating Amateur radio equipment. Update March 23, 2019 - I have replaced my extremely RFI-Noisey Chinese Manufactured MPPT Charge Controller with a Morningstar PWM SunSaver Model SS-20L-12V that is compliant with FCC Part 15 rules regarding RFI control (made in Taiwan). Another Ham reported that this Morningstar PWM solar charge controller does not produce any RFI on his HAM system where he has connected his radio directly to the "Load" terminals on this model. Unlike most other solar charge controllers that allow only low-power lighting to be connected to their load terminals, this Morningstar charge controller's instructions describe full capacity loads (20 Amps in this case) can be connected to the charge controller's load terminals. This controller also includes a Low Voltage Disconnect (LVD) circuit that will shut the load terminals off if the battery's voltage drops enough to damage the battery if it is discharged any more. I will not operate my RFI-noisy DC-to-AC Inverter during Field Day. The FCC Part 15 rule compliant inverters cost in the neighborhood of $1,500-$2,000 and that high cost puts them beyond my budget. I haven't finished my portable power station for Field Day at this point but I will update this post after I get it operational and can determine if the charge controller produces any RFI on my Kenwood TS-2000 radio. Update June 27, 2019 - I updated my Field Day SLA AGM battery bank to a pair of Bioenno Power 12V, 20Ah Lithium Iron Phosphate (LiFePO4) Batteries and used only one of my 200 Watt panel arrays. The Morningstar Charge Controller mentioned above is designed to be used on Sealed Lead Acid (SLA), AGM or Flooded Lead Acid type batteries and does not work with Lithium batteries. To charge my new Lithium batteries I purchased a Genasun GV-10-Li-14.2V, 10.5 Amp 12 Volt MPPT Solar Charge Controller. I was concerned that its 10.5 Amp current limit might not handle the two DOKIO 100 Watt solar panels. However, in the 90 degree Fahrenheit heat (panels were hotter) and partly cloudy skies we had on Field Day this year, the panels (wired in parallel) averaged about 7 total Amps so no problem. I also used my older Kenwood TS-440SAT HF radio on Field Day and it worked very well. The Genasun Charge Controller (like the Morningstar) did not produce any RFI on the radio at all! We operated the TS-440SAT HF radio all day on Saturday on one battery and only changed over to the second battery around 9:00 PM and used that second battery Saturday evening until ~1:45 AM on Sunday morning when we shut down to get some sleep. We re-started at 7:30 AM Sunday morning and continued using the second 20aH Lithium battery until we shut down at the end of Field Day. The DOKIO solar panels did a good job on Saturday in spite of the 50% clouds (and a 20-minute rain shower). Sunday was mostly cloudy which limited the power from the two 100 Watt cells to about .12 Amps. Overall these solar panel's light weight and performance worked very well to build my small portable solar power system. ... show more
Reviewed in the United States on August 16, 2018 by Scouter III Scouter III
    • Great panels, great price
Size: 400w*2
Set these up on top of my fifth wheel. Currently getting about 600W during the day which is just a little under the theoretical maximum considering the scorching desert heat they're in and efficiency losses (surface temps are hot enough to need gloves while handling the panels). These are also cheaper than the other panels I looked at on here. Could get similar panels a little cheaper elsewhere but that would also require ordering 10+ panels which I absolutely have no need for. Very happy with these, highly recommend them. Will update in the winter when temps drop off and we'll see just how much these can put out. Edit 7/23: Weather has varied a lot since the initial review. 600W is typically the low end of max power output. According to my charge controller most days peak somewhere between 650-750W. Several days I've hit 800-830W! Majority of the time when I check my charge controller app I see it steadily hovering around 550-650W. Today is fairly cloudy and I'm generating around 350-400W at mid day. Still very happy with these and looking forward to adding more. ... show more
Reviewed in the United States on July 9, 2024 by JCBCJ
    • Works as expected
Size: 400w*2
Reasonable priced but heavy. Packaged well.
Reviewed in the United States on July 29, 2024 by Lt W
    • look very well made
Size: 400w
It work very well on my batterys
Reviewed in the United States on June 27, 2024 by lamont
    • Good solid panels , good price
Size: 400w*2
Review Image by Amazon Customer Amazon Customer
Was easy plug and plug item , set it up on my roof top . Will buy more in future
Reviewed in the United States on July 16, 2024 by Amazon Customer Amazon Customer
    • New 150 watt panel does not match previous one !!!
Size: 150w
I bought one of these before. Decided that a second was needed for new project to match the first. It arrived and I discovered it was not the same size as the prior Dokio 150 watt panel. I had checked the size and the original panel was just under 39 x 39 inches. This panel is more like 36 x 36 (still in box). Amazon says it should be 39 x 39. I would not have purchased if I had known it was not the same size. Do any 39 x 39 inch panels remain? I would sure like one of those. ... show more
Reviewed in the United States on August 7, 2023 by L1Active
    • They are durable.
Size: 400w*2
Review Image by dane lee dane lee
When I got these panels I thought I was going to get 800 w for both but it only gives me half of that. I don't know if its set up incorrectly, but I was wanting more.
Reviewed in the United States on August 5, 2024 by dane lee dane lee
    • Great value, and works flawlessly.
Review Image by Nick P. Nick P.
This panel has been mounted permanently on my camper for over a year and it's been great. I've paired it with a Renogy Adventurer charge controller and now my camper's battery is always in good condition. I appreciate that this came with MC4 connections, not all do. Boondocking is not a problem as I've also got another 2 of these panels in a suitcase configuration that I can parallel in with the rooftop, though I often get by with just the 50W panel. These panels have been working so well that I made the leap to a 12V compressor fridge recently, I'd recommend a 50W panel for maintaining the battery and extending boondocking possibilities for anyone with a camper. If you are powering a 12V compressor fridge, go for 100W-150W and you should be good (depending on the fridge you get, and other electrical loads you have). Durability and workmanship is good, it has held up in a few hail storms so far. ... show more
Reviewed in the United States on June 23, 2021 by Nick P. Nick P.

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