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Bish’s RV Battery Maintenance Tips

Posted On: February 11, 2017

Battery Maintenance Tips

One of the things that can greatly improve your camping experience in your RV is having batteries that function properly. Here are some tips to use when charging your batteries and common things to watch out for.

  1. Sulfation begins to happens when a battery charge is dropped below 80% of its charge or 12.4 volts. Sulfation is when lead sulfate crystals build up on the battery plates preventing the batteries ability to generate Volts and Amps.
  2. Do not let your battery discharge below 10.5 volts.
  3. Reducing the depth of the batteries discharge will increase the life of the battery.
  4. A battery discharged to 50% of its capacity will last up to twice as long as a battery that is discharged to 20% of its remaining capacity.

  1. RV batteries discharge overtime due to parasitic loads. These can be clocks, stereos, TV antenna’s etc. Make sure to put the battery disconnect switch in the off position when not using your RV. It’s a good idea to check the batteries when in storage and recharge them as often as needed.
  2. Hot temperatures will kill your batteries. Check batteries often during high usage or hot temperatures.
  3. To correctly charge your batteries you need to do it in stages. You will need a SMART charger to do this.
    • Bulk charge to 90%
    • Absorption charge the remaining 10%,
    • Float charge to keep charge at 100%.
  1. You only want to water your batteries after charging, unless the plates are exposed then only fill with water until the plates are submerged. When adding water to the battery use distilled water however, if your stranded then any water is better than no water.
  2. The lead and plastic used to construct batteries can and should be recycled.

If you have questions on batteries come see us at Bish’s RV.

You can read more information on this topic. Here are the following sources this article was written from:

Polk’s Top 7 Tips for Saving your RV Batteries” by Mark Polk. Image from “kingconnect.com”

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