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Go Power Retreat Solar Charging System with Digital Solar Controller - 100 Watt Solar Panel

Go Power Retreat Solar Charging System with Digital Solar Controller - 100 Watt Solar Panel

Item # 34272635
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RV Solar Panels 34272635 - 100 Watts - Go Power
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Using a 100-watt solar panel and solar controller, this charging system provides an extra boost to your RV batteries while you're on the road. Controller regulates and monitors power output while preventing harmful overcharging. Lowest Prices for the best rv solar panels from Go Power. Go Power Retreat Solar Charging System with Digital Solar Controller - 100 Watt Solar Panel part number 34272635 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Go Power RV Solar Panels - 34272635

  • Go Power
  • 1 Panel
  • Roof Mounted Solar Kit
  • 100 Watts
  • Rigid Panels

Using a 100-watt solar panel and solar controller, this charging system provides an extra boost to your RV batteries while you're on the road. Controller regulates and monitors power output while preventing harmful overcharging.


  • Solar charging system provides DC power to charge your RV's batteries
  • 100-Watt solar panel and solar controller use sunlight to charge your RV's batteries
    • Panel installs on your RV's roof and converts sunlight into safe, renewable DC power
    • Controller mounts in your RV and monitors power output to prevent harmful overcharging
  • USB port on solar controller provides an outlet to charge small electronic devices
  • Lightweight yet durable solar panel is made from weatherproof and impact resistant materials
    • Monocrystalline solar cells set behind tempered solar glass withstand hail and light debris
    • Marine-grade, anodized aluminum frame protects against rust and corrosion
  • Solar panel expansion (sold separately) increases solar power output
  • Inverter (sold separately) provides AC power to run appliances and electronics
  • Adjustable mount kit (sold separately) allows you to angle your solar panel for maximum sun exposure
  • Kit includes single solar panel, solar controller, MC4 cables, and all installation hardware


  • Application: 12V battery systems
  • Number of solar panels: 1
  • Solar panel wattage: 100 watts
  • Solar controller input current: 30 amps

go power solar diagram no cable entry plate

If you are an energy-conscious RV owner, the Go Power Retreat solar charging system provides clean, renewable power and an extra boost to your batteries while you are on the road. This kit comes with everything you need to charge your RV batteries with sunlight. Using a solar panel, this system collects solar energy to create DC power that passes through a solar controller to charge your RV batteries.

How It Works

Collecting Solar Power

go power solar panel

The charging process starts with the solar panel, which installs on the roof of your RV. When solar energy interacts with the silicon cells in the panel, it generates a flow of DC electrical current that charges your RV's batteries. Each of the monocrystalline cells is made from a single crystal of silicon, so the electrons that create the current have more space to move, making this panel more efficient than one with polycrystalline cells. And in optimal sunlight conditions, the panel produces 100 watts per hour.

solar cells

The silicon cells are set between a cushioned backing material and tempered solar glass to withstand the elements. The glass has low-iron content to provide exceptional transparency, which ensures maximum sunlight collection. Finally, the panel is framed with anodized marine-grade aluminum to resist rust and corrosion.

go power adjustable arms

An adjustable mount kit (sold separately) can increase your solar panel performance by angling it for maximum sun exposure. This kit replaces the panel's existing brackets and allows it to tilt at 3 different angles. This also improves solar charging during winter months when the sun is lower in the sky.

Charging and Protecting RV Battery Bank

go power solar controller

The solar controller prevents harmful overcharging by adjusting the power generated by the solar panel before it reaches your batteries. It uses pulse width modulation technology to regulate the output through pulses that provide a consistent charge. Typically, this type of technology is a good fit for smaller systems with lower voltages.

Using a multistage charging system, the controller automatically switches voltages while the battery bank charges. This accelerates the charge, but also helps extend battery life by adjusting the voltage during the different modes. The controller is compatible with multiple battery types and includes preset charging profiles for sealed/gel, AGM, flooded/wet cell, and lithium batteries.

Charging Modes

  1. Bulk: This mode charges at the full rated load for a quicker recharge time. As the name suggests, this is where the bulk of the charging happens. It typically charges the battery to at least 80% capacity.
  2. Absorption: This mode provides controlled voltage to ensure a full charge. Once the battery reaches between 80% to 90% capacity, the absorption state will kick in and start charging at a regulated voltage. In each charging profile, this mode is set to last for 30 minutes after the bulk charge is completed.
  3. Float: Once the battery reaches full charge, this mode maintains a lower voltage to compensate for self-discharge. This reduces battery stress and minimizes gassing and water loss.
  4. Equalization: On flooded/wet cell batteries, this mode activates to prevent stratification and sulfate buildup during extended float cycles. These two issues can damage a battery by causing the accumulation of acid at the bottom of the battery and hardened sulfate crystals on the battery plates. This mode is especially helpful when your battery is going unused during storage.

With Maximum Power Boost Technology, you can simply press a button to activate Bulk mode for the highest charging voltage. This lets you quickly top off your battery bank before the end of the day by capturing as much power as possible.

solar controller terminals

This solar controller is built to charge two battery banks and has terminals for a primary and secondary battery. Your primary battery will receive the full current until it is completely charged. Then, your secondary battery will start to draw the charge current.

solar controller digital display

The backlit, digital display acts as an information center for your solar panel output. It shows the charging current, battery voltage, and battery state of charge. It also allows you to input your battery type and choose a charging profile. Additionally, a built-in USB port on the front of the controller provides a convenient outlet to charge your cell phone or tablet.

Lastly, the controller includes several built-in safety features to help protect your equipment. The charging process will shut down if the controller starts to overheat and when an overcurrent is detected. Also, if the battery or solar panel is wired incorrectly, it activates a reverse polarity alarm.

How It Installs

retreat how it installs

The system includes a 100-watt solar panel, a 30-amp PWM solar controller, MC4 cables, and all the necessary installation hardware.

  1. Solar Panel: The solar panel installs anywhere on your RV roof with included mounting feet and hardware. To maximize sunlight collection, it is important to install the panel where it avoids shadows cast by objects, like an air conditioner or vent. The panel uses MC4 cables to connect to the solar controller. These cables can enter the RV through the refrigerator vent or using a Go Power cable entry plate (sold separately). The cable entry plate provides a covered housing and uses a quick connect setup for the MC4 cables.
  2. Solar Controller: The solar controller flush-mounts to a wall inside your RV. The manual includes a mounting template with measurements to ensure proper installation. It is wired to the solar panel using MC4 cables. Then, the battery bank is wired to the primary terminals on the controller. If you are using additional batteries, they can be connected to the secondary terminals. The included 30-amp fuse is installed between the solar controller and battery for additional current protection.

Note: This kit may require more wiring and additional parts depending on your RV setup.

Individual Component Specs:

Solar panel:

  • Rated power: 100 watts
  • Amperage: 5.43 amps
  • Voltage: 18.4V
  • IP rating: IP67
  • MC4 cable length: 25' each
  • Dimensions: 47-1/8" long x 21-1/2" wide x 1-3/8" deep
  • Weight: 17.6 lbs
  • 25-Year limited warranty

Solar controller:

  • Maximum input current: 30 amps
  • Maximum input voltage: 28V
  • Operating temperature range: -40 F to 185 F
  • Temperature compensation: -13mV per F
  • Maximum wire gauge: #4 AWG
  • Dimensions: 7-1/2" wide x 4-1/4" long x 1-1/4" deep
  • Weight: 0.66 lbs
  • 5-Year warranty

82844 Go Power! Retreat Solar Charging Kit - RV Solar Charging - Rigid Panel - 30-Amp Digital Regulator/Controller - 100 Watt - 5.43 Amps

Replaces Go Power 78219REVA

Replaces Go Power 72635

34272635 Installation InstructionsInstallation Details 34272635 Installation instructions

California residents: click here

Video of Go Power Retreat Solar Charging System with Digital Solar Controller - 100 Watt Solar Panel

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Go Power Retreat Solar Charging Kit Review

Randy: Hey guys, it's Randy here at etrailer. Today we're going to be taking a look at a couple of solar battery charging kits available from GoPower.Now these are designed to work with single or dual battery banks. So either one or two batteries. Basically that's going to mean things like this, either an in bed camper like we're working in today, pop-up campers, little travel trailers, even mid-size campers can sometimes have two batteries. And small cottages or log cabins out in the woods.Now both of the solar kits are going to be absolutely identical with the exception of the solar panel itself. And regardless of which one of those you choose, they're going to run through the same solar controller which we have mounted right here.Now this solar controller is a 30 amp pulse width modulation, so with that pulse width modulation, it's going to give us really nice, clean power coming in and going to our batteries to charge them.

They can handle up to 30 amp hours per hour, so this is going to be more than enough for the power we're going to be sending through it with either the Retreat or the Outlander kit.We have a button here, so we can switch to AC power, that's if we've plugged into a shore. Then we're going to have our max boost button. Now this will come on automatically in the morning for about half hour, that's going to ensure that we're getting our batteries right back, freshened up really quickly.And then if need be, maybe we're going to be storing it overnight, or if we're not going to be using it for a while before we put it up, we can get it back into max boost mode. That's going to be sure that we get enough power to our batteries and fully charge them. It actually ups the voltage coming to our batteries.

I think it goes up to about 14.4, so we can really get a good, solid charge in there.On the display, you can see we've got this hooked up to a single battery, so we've got a single battery right here, and that's indicating it's about 40% charged, we've had it inside for a few days, so the power hasn't been able to get to it.The second battery would appear right beside it if you do decide to run it on two batteries. We can select through the input we get. Right now, it's saying 12 and a half volts. It's getting 0.1 charge, so there's no charge coming in with it being inside. 73%, and that's basically the state of charge of our battery.We can hold down A, that'll switch that into an automatic mode, if you just want that to scroll, it'll switch that screen every eight seconds, so you can just take a look at it and wouldn't have to worry about hitting the button there.

We're also going to have a USB right here, we can plug in and charge items. It's going to give us a five amp charge.Now the solar controller will work with AGM, flooded lead acid, or your gel type batteries. For the flooded lead acid batteries, it'll actually do a maintenance charge about every month, kicks on, gives it a little bit of power.And then for all of the batteries, we've got that boost mode we talked about. Now that's selectable down here, but it'll automatically do it in the morning, like we had discussed. And then if our voltage falls below a certain point, it's going to kick on for two hours, to help boost those back up, get them back up and ready to charge.Also if we happen to cross the wires on our solar panel as it comes down and in, it's not going to allow that power to come in.

So we don't have to worry about that causing any issues.It has a high current, and a high temp meter as well. So if the battery is getting overcharged, it's going to stop sending the power. Or if it's getting too hot, it's going to stop sending that power.Now as we talked about, the Retreat kit's going to come with the solar panel that we have here. It's the 100 watt panel. Now this one's going to measure from the end to the end here, about 47 and a sixteenth of an inch. From outside to outside, about 21 and seven-sixteenths, and then about an inch and three-eighths in thickness.Now this delivers 5.43 amp hours of power. That means every hour, 5.3 amp hours are going into our battery. Generally that's going to be over like a six hour period on any normal day. So this Retreat, 32 and a half amp hours or so, going back into our battery.Now with the Overlander kit, it's the 190 watt panel. It's going to be bigger than this one. That one is 59 and one-eighth of an inch from end to end. It's going to be 26 and five-sixteenths of an inch wide, and a little bit thicker than inch and a half.Now that delivers 8.8 amp hours per hour, so basically if we multiply that by six, we're getting about 53 amp hours. There are expansion kits available for these as well.Now as far as how many amp hours different things are going to take, we've researched a few of them that we have available on our website. The 21 inch TV/DVD player, it takes about 2.34 amp hours. So over a six hour period, we're looking at about 14 amp hours being taken from our batteries.We offer a 10 cubic foot, 12 volt refrigerator. It only draws about .9 amp hours, so over a six hour period, only about 5.4. For a large 12 volt exhaust fan, it's about .41 amp hours, so a total of a six hour day, about 2.46. Now that gives us a total of about 21.9 amp hours that we've used on those three items. At that point, any of our kits would be fine to operate that.Now those are just a couple of examples of some pretty common items people typically use in their campers. They're different set ups. Now if you need to figure out your amp hour usage, you can simply take the wattage of the item you want to use, generally that's going to be labeled on it, divide that by your voltage. In this case it's 12. So a 120 watt something, divide that by 12, it uses 10 amp hours, just to kind of give you that equation.With using the expansion kits on these, if these don't give you the amp hour replacement you're looking for, which I think is pretty good for nominal use of stuff, by adding the expansion kit, you're going to double that amp hour coming in. So our larger kit, it'll give you back a 106 amp hours on a good six hour day.Now coming out of the back of our panel, we've got our MX4 cables. You can see in this particular application they've plugged it into one of the cable entry plates, which we have several of these available if you want to go that route. But you can also make the connection here, and you're going to have 25 foot of the MX4 cable, to get ran into your controller, then from your controller over to your batteries.Now these panels are constructed using the monocrystalline technology versus the poly. Essentially that means these are slightly higher quality, and slightly more efficient than what we get out of the poly style. These are also going to be better in the heat. Of course, these are going to be in the sun. As these heat up, they all lose their efficiency, but the monocrystalline, we're going to have to worry about that less than what we do with the polycrystalline.Now the panels are also very, very durable. These have a tempered glass on them, so general weather elements, things like that, really not going to have to worry about any damage. Pretty lightweight, and then we've got the aluminum that's going to go around the outside edge here. All in all, we shouldn't have to worry about corrosion or issues such as that.Now just to increase the effectiveness of your solar panel, of course you can see . see this little bit of dust that's kind of settled on here from the rain We want that cleaned off. If we have issues like that, it's not going to allow that solar energy to get in there properly.Also, if we don't put this in direct sunlight, if we have it parked in the shade under a tree or something like that, it's not going to be as effective as what it would be in the full sun.And that's going to complete our look at the GoPower Retreat and Overlander solar charging kit with digital controller.


Ask the Experts about this Go Power RV Solar Panels

  • Can RV Solar Kit Be Expanded with Additional Solar Panels?
    Go Power Retreat Solar Charging Kit w/ Digital Controller - 100 Watts - 5.43 Amp # 34272635 is expandable to multiple panels using the Go Power Retreat-E Expansion Kit - 100 Watts - 5.43 Amp # 34272634. If you want more power, you may want to consider the The Go Power Overlander-E Expansion Kit # 34282182 which can add the Go Power Overlander Solar Charging Kit w/ Digital Controller # 34282181 to give you a larger system. Either option can be expanded with more panels as desired....
    view full answer...
  • Solar Panel Recommendation for 2018 Keystone Sprinter
    So typically trailers like yours will have a battery that the inverter can draw power from when the generator isn't running. What the solar panel can do is help keep that battery topped off. If your 2018 Keystone Sprinter is already wired for a solar panel this should already all be taken care of and all you need to do is pick out the best panel for your needs/budget. One great option is the Go Power Retreat Solar Charging System with Digital Solar Controller # 34272635 which was designed...
    view full answer...
  • Is Rack'em Fitz-All Enclosed Trailer Ladder Rack RA-28 Strong Enough to Hold Solar Panels
    Rack'em Fitz-All Enclosed Trailer Ladder Rack # RA-28 has a 400-lb weight rating so it will absolutely have plenty of capacity to support solar panels. Aluminum construction and stainless steel fasteners (included) mean a corrosion-free setup for solar panels like the Go Power Retreat # 34272635 which uses a panel that measures about 47 x 22-inches and that weighs less than 18-lbs. With this Solar kit you can easily add a second panel with Expansion kit # 34282182. Since solar panels...
    view full answer...
  • Can One 200 Amp Lithium Battery be Used with Go Power 1,140 Watt Solar Panel System
    Technically yes the Go Power Solar AE-6 All Electric System with 2 MPPT Solar Controllers # 342-75011 will provide enough power for your 200 A/H Lithium battery, but it is way overkill for your needs as this is meant for a 600 A/H battery bank. For your application something like part # 34272635 or part # 34282181 would be better suited for your application. If you want to use the kit that you referenced I highly recommend expanding your battery bank to at least 6 batteries so that...
    view full answer...
  • Charging Deep Cycle Battery and Breakaway Battery on Trailer with Solar Panel
    When hooking up both your deep cycle 12V battery and breakaway battery to a solar panel controller you shouldn't need to add a resistor in line between the two batteries. When using a controller that features dual battery profiles like the Go Power # 34276119 there won't be any concern with the breakaway battery draining. A 100 watt panel like the Overlander Charging Kit # 34272635, which includes the above-mentioned controller, should be sufficient to keep both batteries charged according...
    view full answer...
  • What Size Solar Panel Do I Need for a Truck Bed Camper
    There are several factors that go into selecting the proper size solar panel. The most important factor will be how much power you are using each day. In order to determine how much power you use each day you will want to perform a trial run. The trial run can be done on your next camping trip and the only thing you will need is a battery monitor. What you will want to do is fully charge your batteries then monitor them each day. This should then give you a good idea of many amp hours...
    view full answer...
  • 100 Watt Solar Panel Kit with Controller for Connecting to Solar Port of 2018 Jayco Hummingbird RV
    For a similar solar panel setup that comes with a controller and longer wiring like you want you'd instead want the 100 Watt Go Power Retreat Solar Charging System with Digital Solar Controller # 34272635 as the Goal Zero Boulder 100 Briefcase Solar Panel # 287-32408 is just the panel without wiring or a controller and was intended to connect to a Goal Zero battery pack.
    view full answer...
  • Solar Charger Options for Battery Bank with 6 Batteries on Charger
    Since you have so many batteries to charge I'd go with a kit that has more charging potential like the Go Power Eco Solar Charging System with Digital Solar Controller # 34273837 that is rated for 20 watts charging. While this won't fully charge 6 depleted batteries it would do a much better job than a 2.5 watt charger. The solar panel is then 18-1/2" long x 13-9/16" wide x 1" deep. For a 100 watt solar panel setup we have the part # 34272635 which has dimensions of 47-1/16" long x...
    view full answer...

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Info for this part was:

Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Chris R
Installed by:
Cole B
Installed by:
Randy B
Updated by:
Sarah W
Updated by:
Alex H
Edited by:
Amanda M
Video by:
Zach D
Video by:
Michael B
Test Fit:
Shane H
Written by:
Halie H

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