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Expert Answers about Solar Charge Controllers


  • Troubleshooting 2022 Grand Design Solar Kit Not Working After Adding Batteries
  • Yes, you should have a fuse between the battery bank and each of the following: - Solar Charge Controller - Inverter - Converter I'm attaching a clip from the instructions for the Go Power Weekender Solar Charging System # 34282183 that you can check out. Be sure that you have your new batteries connected to your battery bank the right way. If you connect them in Parallel then that keeps the Voltage the same but if you connect them in Series it increases the Voltage. It's also worth...
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  • Progressive Dynamics RV Power Control Center and Solar
  • If you are connected to shore power then the Progressive Dynamics RV Power Control Center with AC/DC Panel and Converter/Smart Charger, # PD4590K18LS8, will as designed apply a charge to your connected battery pack. If you are not on shore power but have solar panels then the charge to your battery bank should be coming from your solar panel charge controller not the Progressive Dynamics RV Power Control Center. Without seeing a wiring diagram of your particular arrangement it is challenging...
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  • Troubleshooting A Flashing Back Light On A Go Power Solar Charge Controller
  • Since the system was already working and all of sudden is causing issues for you I suspect that you may be pulling too much solar power for your battery bank causing an overcharge error or a separate system, like your alternator is also charging your battery bank and causing a voltage spike which would also cause a flashing error. One way to test this is to cover up your panels and use your battery bank to power something for a bit and see if the voltage drops and the error clears. If...
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  • Troubleshooting a Go Power Remote Display For MPPT Solar Charge Controllers That Won't Power On
  • The Bluetooth Remote Display for Go Power MPPT Solar Charge Controllers # GP37MR is powered directly from the solar charge controller so I recommend checking the connections to ensure that the RJ12 wire is properly seated. If they are then you would want to trace the wire and ensure that there are no cuts or bends in the wire. You'll also want to verify that the controller is powered on. If you find not damage to the RJ12 wire and the connections are properly seated then either the RJ12...
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  • Can RV Appliances Powered by Battery Getting Solar Panel Charge be Used
  • Yes, you can use your RV appliances that are being powered by a battery that is getting charged by a Go Power Portable Solar System with Digital Solar Controller # 34282730 that you referenced.
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  • Dash Lights On 2011 Toyota Highlander Appear with Trailer Connected To Solar Power
  • That is certainly an odd or rather uncommon issue that you described. The only thing I can really think of would be power back feeding on the trailer battery charge wire. However, this would only really cause an issue if this wire was not ran to the positive terminal on the tow vehicle's battery. Therefore, this would be the first thing I check (where the trailer battery charge wire is ran to on the vehicle). For example, if the trailer battery charge wire from the 7-way was ran to a fused...
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  • How to Fix the Blinking Icons on My Go Power Solar Panel # 34282610
  • Sorry to hear about your controller! I went ahead and investigated this issue, and I discovered that if the controller of the Go Power Solar Panel # 34282610 continuously blinks on and off with all icons, the # 34280503 controller is receiving a battery voltage that is too high (over 15.5 volts). Once the voltage decreases below 15.5 volts, the controller will function normally. I attached a photo from the instructional manual that shows this error message. After decreasing the voltage,...
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  • How to Fix Backfeed From Trailer Battery and Solar Controller on 2024 GMC Sierra 2500
  • Installation of the # RM-790 will take care of that problem you're having. I would wire it on the trailer side at the battery rather than mess with the wiring on your 2024 Sierra 2500. The other solution is to follow the GM note and add a disconnect between the battery and solar controller like other trailer manufacturers have started to do. If you want to go that route you can use the # SE29VR.
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  • Troubleshooting A Bluetooth Remote Display And MPPT Charge Controller's Pairing And Setting Issues
  • For Bluetooth pairing to function the Bluetooth Remote Display for Go Power MPPT Solar Charge Controllers # GP37MR would need to be wired to the Go Power MPPT Solar Charge Controller # GP72RR. The Bluetooth symbol should then pop up in the app and allow you to pair. You would not connect to it with your phone's Bluetooth settings like you would with wireless speakers. If you change any other settings for the battery type it will switch the name from your initial Lithium setting to User...
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  • Charge Output Too High On Progressive Dynamics Mighty Mini AC/DC Panel and Converter - 60 Amp
  • The converter output of the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger part # PD4060K should be between 12.6 and 13.6 VDC depending on if a load is present. If you're seeing more than this then it would indeed indicate a faulty converter. If you are no longer under warranty you can replace the converter with the Replacement Converter Section for Progressive Dynamics 4000 Series RV Power Control Center part # PD4060CSV. Please note, further diagnostic troubleshooting...
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  • 12V+ Power On Trailer Side Connector When Disconnected From Vehicle
  • So I believe one of a couple things has occurred. I would first check to see where they tied the solar panels controller into. This should have been tied directly into the battery itself. They may have connected it before the battery charge controller so that is causing the 12V power to flow in both directions back to the truck and into the camper. Second the Battery Charger # 331-BCDC1225D (or similar) could be damaged internally causing power to flow both directions. If you disconnect...
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  • Troubleshooting A MaxxAir MaxxFan 4050K That Won't Run
  • The first thing you should do is check is to make sure you have the wiring correct and not reversed. The white wire should be grounded and black to 12 volt power. If the wiring is correct make sure it's getting 12VDC power and the connections are good. With your MaxxFan Plus Roof Vent # MA00-04500K being so new it sounds like a wiring or power issue to me. The solar power charging your battery shouldn't be affecting your fan and if it was it would also be affecting anything else running...
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  • Troubleshooting Battery Draining With Bright Way Solar Battery Charger Installed
  • The Bright Way Solar Battery Charger # BRW54FR would not be able to drain the battery on your gooseneck trailer. Something else must be draining the battery while it is hooked up. This is designed to trickle charge and keep your battery topped off. If something else is pulling power, it will outpace any charging from the solar panel and might appear as though this is draining the battery.
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  • Can 6V Batteries Run an RV Fridge Just Fine
  • Thanks for reaching out! There are a number of things it could be but the first thing to check is how your batteries are connected. Since they are 6V batteries you want them wired in series so that they become a 12V system. Check out the attached photos to see the difference between parallel and series wiring for batteries. Your 190W Go Power Overlander Solar Charging System, like the Weekender # 34282183, should do a good job keeping your battery bank charged but it all also depends...
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  • Troubleshooting ATAK Solar Motion Lights
  • When these lights are charged you should be able to turn them on in your dark closet. It appears that you have done everything right. You charged the lights in the sun for eight hours, so their battery should be charged. If I am troubleshooting, my only thought is whether or not the solar panel got eight full hours of sunlight. What I mean is, was it sunny the entire time your ATAK Solar Motion Light - Weatherproof - 460 Lumens, part # PT701, was getting charged? If that is the case, returning...
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  • Redarc BCDC Battery not Getting Enough Charge from Car Battery to Last More than Two Days
  • If you are not getting enough power from your vehicle's battery to charge your Redarc In-Vehicle Battery, part # 331-BCDC1250D, for very long, you can supplement the power going into the RV battery with a solar panel like the Go Power Solar Flex, part # 34272630. We have an extensive selection here that runs the gamut of price and wattage. I've linked to this list for you. Also, be sure to check the manual linked below for the Redarc. Page 12 has a table for cable sizing. If you do not...
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  • Solution For Powering An ARB Fridge While Dry Camping
  • I recommend the Redarc In-Vehicle BCDC Battery Charger # 331-BCDC1250D, the main reason for this is controlled current draw. By using a BCDC, this charge current will be regulated to a specific amount. The current draw from the starting battery would be limited to 55-58amps. The BCDC should be mounted no further than 5 feet from the batteries it is charging. This ensure the output voltage is not effected by voltage drop. Some other steps to consider include changing your battery setup...
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  • Go Power Solar Controller Blinking POL
  • The POL error code on your Go Power system after plugging in the Go Power Portable Solar Panel with Digital Solar Controller, # 34282610 is indicating a reversed polarity connection. You have your negative and positive leads reversed. I suggest you change the wires on the campers port to reflect the leads of your portable system.
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  • Performance Tools 2.5 Watt Solar Charger Blue Light is Blinking Yellow
  • I was able to reach out to my contact at Wilmar who mentioned a couple of different things that could be going on with your 2.5 Watt Solar Battery Charger # PTW2997. First, they mentioned that you should always use the battery end that came with the solar charger, so if you've not connected the solar panel with the cord that it came with, this is the most likely culprit. If that's not the case, they also mentioned to look at the following things: - make sure that the battery it is being...
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  • Troubleshooting Electric Over Hydraulic Brakes Not Working with Prodigy P2 Controller
  • The first thing I recommend checking is that your Tekonsha Prodigy P2 Brake Controller # 90885 is set to electric over hydraulic brake mode. This controller is compatible with electric over hydraulic brakes, but it does need to be switched to this mode for it to work properly. I have attached the P2 installation instructions that include the steps for switching to electric over hydraulic mode. If the controller is properly set, then I recommend testing your existing actuator for proper...
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