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Parts Needed to Add Go Power Overlander Expansion Kit to Single Panel Go Power Solar Setup  

Updated 12/16/2025 | Published 11/23/2024

Question:

I have a RV with one Go Power 200watt panel. I want to buy the Overlander expansion panel. Question is , without going on roof , do I need any additional cables ? Or , can I plug into what’s there

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Expert Reply:

Hi Matt; it is possible you will need additional cables. However, I can't be 100% sure without knowing the location this additional panel will be installed and what your current setup looks like. The Go Power Overlander Expansion Kit # 34282182 includes the MC4 expansion branch connectors so if they're close enough together you may be able to reach the entry plate and make the connection. If they're going to be a good distance apart you can expect to need the 3' # 34274672 or even the 10' # 34276216.

If you take a look at the picture below you will see a 2 panel setup. The branch connectors are plugged into the entry plate and the extended cables were required to reach the connectors. If the solar panel with the extensions was mounted to the roof just on the other side of the entry plate, opposite the visible solar panel, the extension would not be necessary. When you get a chance I would take a look on the roof just to double check.

expert reply by:
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Robin H
Go Power Setup With Branch Connectors and Extension Cables
Go Power Setup With Branch Connectors and Extension Cables
(click to enlarge)
Robin H. profile picture

Robin H.

12/15/2025

Hey Matt, how did things go with adding the Overlander expansion panel to your RV? Were the existing cables long enough, or did you end up using one of the extension options? Your update could make it easier for others setting up a similar solar system.

Matt R. profile picture

Matt R.

12/15/2025

The Overlander expansion Panel works perfectly. I did wind up using the extension cables I ordered. The lengths were perfect.. I highly recommend the kit as well as purchasing through E trailer. You guys really helped me in the selection of what I needed. The system works flawlessly….. ….Best Regards…….Matt .
Robin H. profile picture
Etrailer Expert

Robin H.

12/16/2025

@MattR glad to hear it worked out well for you, thanks for the feedback!

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