Home > Uncategorized > RV Batteries won’t hold a charge?

RV Batteries won’t hold a charge?


Lately we have been getting a lot of RV’s in with battery issues. One of the biggest issues is corrosion, this is typically from over charging. Inspecting you RV batteries frequently is very important, most RV batteries are wet cell batteries, and the water level in the cells is very important! Check your water level at least 4 times a year, if they are low add distilled water.

Visible bulging at the terminals and the case happen when batteries are not maintained properly. Have your RV technician charge and perform a hydrometer test and load test to check the integrity of your batteries, properly maintained batteries will last years.

If you have an onboard inverter/charger like the Heart Interface Freedom or Xantrex (just to throw out a couple of names). Have your RV technician check the charge rate to the batteries, we have found several inverter/chargers charge the batteries at a very high rate (14.5 volts or more). This can be destructive to your batteries, especially if you don’t use your batteries a lot.

If you leave your RV plugged in for long periods of time leave a light on inside, this serves two purposes, one it uses power from your batteries while they are receiving a consistent charge, and two it may scare away thieves, thinking there may be someone inside.

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Categories: Uncategorized
  1. Steve Myers
    February 25, 2010 at 10:50 pm

    Those look my batteries… LOL On a serious note, I have a heart interface inverter in my Fleetwood Bounder and my batteries are in about the same condition. How do I check and see what my charge rate is to my batteries? and how mush does it cost to replace my batteries? and can you fix my problem if it is charging at a abnormal rate?

    • February 25, 2010 at 10:56 pm

      Sorry to hear that. Yes if you have that style inverter I can check it and adjust the charge rate to the proper level. Replacing the batteries would cost $115.25 per battery and a half hour labor. (4 battery system = $507.75) (2 battery system = $277.25) I won’t charge you anything to check and adjust your inverter. The new batteries I carry are 232amp capacity batteries instead of the old 105amp batteries, meaning you’ll get twice the reserve capacity as the old ones.

  1. March 9, 2010 at 4:52 am

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