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Can Solar Panel be Added to 130 Watt Go Power Solar Kit

Question:

I have a 2021 Dutchmen Kodiak Ultralite 248BHSL I currently have the solar on the side 130W solar kit that plugs into the Go Power port on the side of my trailer. Can I add the 190W solar roof mounted panel and connect that to the roof ports MC4 Pos/Neg? The roof port should be wired directly to the battery however I know Ill need to mount the solar controller somewhere between the batteries and the panel. I plan on using 2 6-volt golf cart batteries run in series. Also, do they make a cable convertor SB50 Anderson to MC4 so I can purchase another 130W solar on the side kit and plug that into the roof port so I have 2 ground solar panel kits and dont have to mount a panel on the roof? This would eliminate the need to wire in a solar controller as they are built in on the back of the 130W solar on the side kits.

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Expert Reply:

I reached out to Go Power, who said you can add a 190 watt panel, but you would need to use a new, 30 amp controller because the 10 amp controller of your Go Power Portable Solar Panel with Digital Solar Controller - 130 Watt Solar Panel # 34282730 is not rated highly enough for both panels. So here is what you would need to add:

- Go Power Overlander Expansion Kit - 190 Watt Solar Panel # 34282182

- Go Power PWM Solar Charge Controller with Bluetooth - 30 Amp # 34276119

What Go Power said was the following, "In order to do this, the 10-amp controller would need to be removed from our portable kit. Then solder or use butt splices to connect the panel wires to the battery wires. Positive to positive, Negative to Negative. Once complete the wires from both panels would need to be connected in parallel to the back of the 30-amp controller as per the drawing."

I have added that diagram for you showing how your portable kit and the expansion kit would connect to a 30 amp controller. The MC4 connectors that come with the 190 watt panel are only two feet long so if needed you can get extensions, the 10' Long # 34276216 or 15' Long # 34279532.

Portable Solar Kit & Expansion Kit Connected to 30 Amp Controller
Portable Solar Kit & Expansion Kit Connected to 30 Amp Controller
(click to enlarge)
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Kyle S

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