If your batteries are clean and pristine, the next thing you want to do is check their ability to hold a charge. 2: The Batteries Losing The Ability To Hold A Charge Once the battery terminal and components are clean you will need to check if the batteries are indeed capable of holding a charge. Gently scrub the battery terminals and the attachment componentsĬarefully wipe the terminals and components with a clean paper towel Rub some of the paste on an old toothbrush or a small wire brush Mix two tablespoons of baking soda with 2 tablespoons of waterĬarefully disconnect the power lead and ground from the RV batteries The battery posts and connection hardware will need a good cleaning. To Fix This Problem Check And Clean The Batteries The corrosion could simply be preventing a proper connection to the rest of the RV’s electrical system. It might not even be a true technical fault. Sometimes a buildup of greenish or white corrosion can get to a point where the batteries can’t receive a charge or receive a minimal charge. If your RV converter not charging batteries when plugged into shore power you need to take a close look at the contact posts of your RV batteries. The following troubleshooting steps will help you narrow down what the problem or problems might be with your RV’s converter or batteries. In some cases, you might even be able to complete the repair yourself. If you are a little bit handy, and you happen to have an electrical multimeter or voltage meter you might be able to troubleshoot why your RV converter isn’t charging the batteries. 8 Reasons Why Your RV’s Power Converter Is Not Charging The Batteries And How To Fix? So, even after you have purchased the part, you truly should seek out a licensed, and certified installer. It could also void that portion of your warranty coverage. If you attempt to install it yourself and there is an electrical fault, later on, your RV insurance provider might not cover the claim. However, a converter for a much larger Class A motorhome, with its complex electrical system could run you as much as $1,500 and certainly requires professional installation. A smaller converter in a lightweight travel trailer might only cost between $125 to $150. Unfortunately, the cost to completely replace an RV converter can vary a lot. When you have a problem with your RV converter, you might be tempted to simply purchase and install a new converter. You can take the time to troubleshoot it and fix it yourself, or if you have the extra budget, you could simply choose to completely replace it. If you are seeing numbers that are less than this, or inexplicably higher, on a multi-meter, then chances are there is a serious problem with your converter. This will translate into a reading at the onboard batteries of 11 to 13 volts. When your RV’s converter is working properly, it should have a voltage reading between 110 to as much as 130 volts. This is the opposite of the RV’s inverter which changes DC power from the batteries into AC power used by a lot of common appliances like your RV’s microwave. This means changing the current from AC to DC. I believe you meant to say your batteries were in a parallel system furnishing 12V and not a series furnishing 24V.An RV converter essentially alters 110 volt AC from a source like an RV park’s shore power to The 12-volt onboard RV batteries. The only difference a converter would make is to replace the chargers, and be a direct supply of 12V to run your DC system, when you are plugged into 110V. Your two systems with the 12v charges seem to work well. You need an outside power source to charge your system. You can't create more current, from that with which you are starting. You can't take power from the batteries to recharge them. It can't work, it would deplete your batteries from the losses used up by the two devices. If you hook an inverter to the batteries and then install a converter to charge them, you will create a system that would involve a large current loss. The batteries will become quickly drained when ever an inverter is used to produce 110V. Most appliances needing higher amperage sources, a micro wave, coffee makers etc will not work. It would supply enough current for 110 V lighting, or a short run time when using a fan etc. Unfortunately, the amount of amperage available from a battery source, coupled with the current loss through the inverter, will leave little available amperage available to run many 110V appliances. An inverter will provide 110V from the 12V source. As you mentioned, a converter will charge your batteries and provide a 12v system when using 110V.
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