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The Overlander expansion kit comes with everything you need to increase the power output of your Go Power solar charging system. The 200-watt solar panel uses MC4 connections and provides DC power to charge your RV's batteries.
Features:
Specs:
If you want to expand your solar setup to collect more sunlight and charge your batteries faster, this solar panel expansion will add more amperage to your charging output. This kit includes a single 200-watt solar panel with mounting hardware that connects to your existing Go Power system using the included MC4 branch connectors.
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. The panel is framed with anodized marine-grade aluminum to resist rust and corrosion. And in optimal sunlight conditions, the panel produces 200 watts per hour.
This kit is compatible with several Go Power Solar Charging Systems (sold separately). However, the total amount of amps generated by the panels cannot exceed your solar controller's maximum amperage. 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 is wired in parallel to another panel using MC4 branch connectors.
California residents: click here
Fast delivery product as advertised. I had to fabricate my own mounts.The mounts provided would not fit the 8020 channels On my Ram Promaster.
When I received the solar panel one end of the box had been opened and resealed with tape. I have opened the box and it all looks fine with the panel and one plastic bag with parts and manual. It will be several weeks before I can install it so will let you know then
Donald
3/15/2025
It has been just as I had hoped for!
Robin H.
3/15/2025
Four of your team members worked together to expedite the return of my damaged solar panel and a re-ship of a replacement one. I commend them for their efforts!!!
The replacement panel again had minor damage to one of the panel edges, but I do not consider it sufficient to return the panel. I have purchased a complete solar panel kit(panel & controller) and two panel extension kits (panel only) from you. The complete kit has the panel enclosed in a separate box inside the shipping container which minimizes shipment damage. The panel extension kits, however, are place inside the shipping box with only four styrofoam corner pieces to secure it inside the container. The damage, in my opinion, is occurring during shipment when the sides of the shipping container are compromised by some object making contact with the solar panel frame. If the extension kits would be packaged as the complete solar kit panels are then there should rarely be damaged in shipment. Just my thoughts in this matter.
I didn't install or tested the product yet. And, for some reason, I thought that it comes with 30 amp charge controller; but it's here in good shape and form.
Thanks
Great product, goes with solar installed from mfg.
Dennis
3/12/2025
working great and doing the job I expected.
Jameson C.
3/12/2025
Kit came with panel only, no hardware or connectors.
Brooke M.
4/17/2025
Let me look into this for you, Richard. Hang tight! We will be reaching out to you
Easy install. Worked great. Video instructions excellent. Used them for step by step installation. Actually just ordered another panel for further expansion!
I scoured the Internet and Etrailer had the best price! Very organized transaction and their team kept me up-to-date with my order status the whole time. Will order from them for all my trailer needs!
Great experience ordering through etrailer. Had an issue with shipping and their team was quick to address!
Matched the on I haf. Easy installation. I would have liked a longer cord so I wouldn't have to purchase another extension.
Easily hooked up to first Go Power pane l.
Plug and play easy install
Little pricey but high quality
Received it super fast,yay! Have yet to install it. will do so soon. thanks etrailer
The panel wasto install extending my 200W system on my RV to400W.
We bought a 2024 Flagstaff E-Pro camper with one 200W solar panel and one 12V battery and soon discovered that this was only enough to operate the 12V refrigerator (the biggest draw) for about 24 hours. We bought a second battery, double battery box and cables from Camping World. That store gets all their solar equipment from etrailer so we just bought what we needed directly. The cables on the panel are only 3.3 feet long so we had to get the 3 foot extension cables which were perfect for the job. The existing 30A controller is able to handle the additional output from the second panel; however, if we were to add a third panel we'd have to purchase a higher rated controller. This camper is already wired for direct plug-in of a "suitcase solar" array (with an internal controller, that feeds directly to the batteries rather than going through the RV's controller) so if we want more solar that's probably what we'll do. The second panel and cabling was very easy to install, literally plug and play, and we now get significantly longer run time on the fridge (and lights and water pump) when unplugged from the grid.
Brooke M.
5/30/2025
Wow I am so glad the install went well for you and you're able to enjoy some of your appliances for longer. A little more comfort goes a long way on a trip! Looks like even the littles know a good set up when they see one, too :) Did she manage the installation process for you?
Great product and delivered as promised! Easy install on our new Thor KM 24 class C motorhome.
Everything went as described and planned
Andy was very helpful
Victoria H.
2/22/2025
That's great to hear, Jay! I'll let Andy know you gave him a shout out!
Great products.
Support from etrailer is always top notch. Install was straight fwd and all works well after one year.
Overall I like working with etrailer and there customer service. I ordered 2x additional panels to add to my current set up and visually one box was opened and taped closed before arrival. Not sure if the item was a return and then reshipped or it has to do with the UPS delivery which I highly doubt since there are about 10 industrial staples closing the other side of the box and fully closed on box #2. Lets hope all the items are intact and the panel works as it should. Problem exists is the panel won't be installed for like 30 days and it will sit in the box before I know it all works.
Victoria H.
12/18/2024
Hi Matt, the package your order arrived in should not have been taped. Please let me know if you are missing anything when you are able to open your order, and I would be happy to help you resolve this.
very user friendly to install.
The panels work very well. Thank You!
My RV came with one of these panels pre-installed. I wanted to double the solar, so I purchased this expansion kit. Kit arrived in a couple of days and was packed well! It was easier than I expected. It took less than a minute to connect all the wires (snap in and positive and negative are different connector types so you can't screw it up). 8 screws later and it was done. Highly recommend.
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Peter
12/24/2024
Panel works great no problems at all