DOKIO 400W Solar Panel Kit High Efficiency for RV Camping Trailer

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1. marco Verified Buyer – 11 May 2024

   Es un buen producto si cumple con los requerimientos, solo falto el otro par de conectores para enlazarlo al controlador pero todo bien.
   

2. E. Mathews Verified Buyer – 27 May 2024

   I purchased 4 of these panels, price was great for the wattage. I checked the voltage and amps while laid out on the driveway, and even connected them up before I installed them. I got good voltage even while in the shade, charged a dead battery in 3 hours with only clouds in the sky. They are sturdy and look like quality panels. I installed them, paired in series and then in parallel. I used a 30 amp Renogy MPPT controller that was price reduced. I’ve been camping for 5 days with sun for a few hours of the day, and the battery has remained 100% during the day. I’m very happy with the value and performance and if I need more panels I will buy these again.
   

3. doug howarth Verified Buyer – 17 September 2024

   Product is ok but seller is awful.
   One of the two panels.does not work . I messaged tugapower.net and the seller about this. Seller said they would send a single replacement panel. I took photo of the faulty panel and sent to them as requested. Seller then stated a replacement was ordered and they would provide tracking info as soon as it was available. A few days went by with nothing so I message again seller apologize and said it was ordered and tracking would be provided when available. Few more days went by then nothing, seller ignored all communication. tugapower.net initiated a return but being a 2 pack they scheduled both to be returned. One is mounted on the roof and in use.
   tugapower.net won’t return just 1
   

4. Randy S. Verified Buyer – 25 December 2024

   I was disappointed with the 5 year old solar panels I had, 200 watt that couldn’t generate 20 watts, this time I went with glass, this unit specifically provides all the solar power my portable battery pack can use. Still pretty light.
   

5. Anonymous Verified Buyer – 9 January 2025

   Have bought these a few times to add onto our home solar system. Work very nicely and easy to install
   

6. FRANCISCO LEAL Verified Buyer – 23 January 2025

   Excelente panel solar, caldad y eficiente
   

7. Anonymous Verified Buyer – 2 February 2025

   Bought two panels April 2025, performance is very high. Just as stated in the specs. In direct sun the wattage hits 400 watts easily. Even on a cloudy rainy day each panel will sometimes generate about 50 watts, that’s because of the design of the panel that tolerates some shade. The price on tugapower.net is very reasonable considering that it takes the place of four 100 watt panels.
   

8. Scouter III Verified Buyer – 13 February 2025

   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 tugapower.net. 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.

   

9. Luc pedneault Verified Buyer – 23 February 2025

   Très bon produit mes commandé trois panneau mes reçu seulement deux panneau solaire et je suis incapable de me faire rembourser le troisième
   

10. Elizabeth Johns Verified Buyer – 20 March 2025

    I’m giving it a 4 star because of the shipping and delivery people that they utilize.
    I ordered 2 panels and decided to get an additional pair a couple day later. The first set arrived and were in awesome shape the second set arrived a couple days later with a different shipping company. They were shattered. I did receive a refund and reordered still yet a 3rd set. They weren’t even taken off the truck and the driver noticed that they were also shattered! I will be trying a 4th time. The original set I received are in excellent shape and functioning as they should.
    

11. R. Landry Verified Buyer – 18 April 2025

    these solar Panels work great WHEN you finally get them. This is the 5th time Ive ordered and I have 4 of these already and like I said they are great panels so far however the shipping is less than desirable, Do Not ever think these will arrive when you order them, these are NOT 2-day arrival unless I suppose your a short ways away, every shipment has been delayed also have had shipper return due to damage and one set never showed up and after about three months I finally got the 4 I originally set out for, 1600 w and I see over 1700 watts when there is full sun and battery bank is in bulk charge, I have a 70 amp charger and these panels give everything my victron inverter can take. Do not schedule any work around these peoples projected delivery date I can assure you of that. if the shipping was right and on time when they say you’ll get them I would have rated a 5 star. the panels are 5 start the logistics is the week link with this product.