![]() Your Converter’s Cooling Fan Has FailedĪnother common reason why your battery won’t charge is a fault in your converters cooling fan or thermal sensor. If your battery is not losing power, then you will need to troubleshoot further. You will either have to replace the batteries with a new one or find a battery specialist who may recondition your battery. If you find that your battery voltage numbers have declined, then the problem is with the battery itself. Allow your battery to rest for an hour, and then use a multimeter or a voltmeter to check that the battery still maintains its full charge reading.Disconnect your battery from the RV to isolate the battery’s electrical system.Charge your battery for a couple of hours until it is fully charged.To determine if your battery is no longer capable of holding a charge, follow these steps: This video from YouTube demonstrates removing battery corrosion with baking soda: Seal the battery terminal with a high-quality sealant spray available at auto part stores to prevent future corrosion.Ensure you do not get the mixture on your hands, trailer, or clothes to create burns. Let the mixture sit for a couple of minutes before wiping the terminals with a clean rag.Clean the cable clamps paying particular attention to the inside of the clamps where the connection is made to the terminal. Then take a more rigid brush such as a toothbrush and scrub and carefully scrub the baking soda and water into the terminal posts.Allow the mixture to fizz for a minute or two to neutralize the acid. Take a soft brush such as a paintbrush dipped in water and applied it to the baking soda rings, ensuring you do not splash the mix.Pour a small amount of baking soda directly onto your terminals in a ring to neutralize the sulphuric acid before you clean it off.Disconnect the battery by removing the cables from battery terminals starting at the negative terminal and taking care not to touch both terminals at once.It would be best if you cleaned your battery terminals to remove the corrosion in this simple process. One should check for battery electrolyte levels at least once a month, and you should fully charge your batteries before you perform maintenance as charge levels may change your electrolyte levels. Proper treatment of a battery after discharge will help prevent sulfation and maintain your battery’s electrolyte levels. The electrolyte levels drop below the lead plate and expose the plates to air.The greenish-white build-up around your battery may prevent a proper connection to the rest of your RVs electrical system and prevent it from charging. Sulfation occurs slowly over time as the battery goes through numerous charge and discharge cycles and leads to the formation of sulfate crystals. The most common reason for your battery failure is sulfation. There are several reasons why your trailer battery might not be charging, and most of these reasons are maintenance based. Your battery’s life expectancy depends on how soon a discharged battery is recharged and should be done as soon as possible after discharging your battery. One should consider your battery’s amp hours and halve it because you should not let your battery run down below 50%. One battery cycle is when you run the battery from fully charged to 50% and back up to 100%. The most crucial factor to battery life is how deeply the battery is cycled each time. If you use the battery properly, ensure it is maintained, appropriately discharged, and stored correctly, you will significantly increase your battery lifespan. The longevity of your trailer battery depends on you. AGM or Absorbed Glass Mat uses a specialized mat between the plates, which is soaked in electrolytes and charged similarly to lead-acid batteries but does not leak or require water and is maintenance-free. However, gel batteries are not the best choice for RV applications as they need to be charged at a slower rate than flooded cell batteries, and overcharging can easily cause your battery irreparable damage. Gel batteries use battery acid in the form of a leak-proof gel which makes them great for marine applications. VRLA batteries are slightly more expensive and are ‘valve regulated lead acid’ batteries that use a specialized system to suspend the electrolyte in a gel or glass fiber type mat. Check out the Champion 4375/3500-Watt Dual Fuel Portable Generator - RV Ready! (link to Amazon) How Do RV Batteries Work?įlooded lead-acid batteries are most popular and can be a maintenance-free type or the manual maintenance battery type with removable caps.
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