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5 reasons why my RV battery dies so fast?

Since invention in 1859, lead-acid batteries where the rv battery lies has been the most used battery for commercial purposes in many areas. Up to date they have been around and used for more than 150 years. In current times rv batteries have shortened their life expectancy.


In the U.S alone, 85 percent of rv batteries die before their due time. Various factors have contributed this. You may be wondering what these factors are. Therefore I will give you five reasons why this happens.



Reason 01: Sulfating 

This is the formation of small crystals of sulphuric acid on the battery plates when the battery drops in charge the crystals form. After the battery is recharged, they convert back into active plates once more. If the battery fails to be recharged, the crystals become larger and therefore can’t be turned back into active plates. The battery spoils due to this sulfation. To avoid battery damage consequently, you should regularly use your battery and recharge it. 



Reason 02: Self-discharge 

Rv batteries can discharge themselves while in storage for up to 10%. If the rv battery stays stored for long, then it may drop in charge and eventually lead to sulfating. By so doing your rv battery lifespan decreases and may even cause its death. 



Reason 03: Parasitic loads 

Parasitic loads are other devices other than the rv battery that leads to charge drop even when the rv battery is not running. These includes: 

                   ·  TV antennae booster 

                   ·  Clocks and stereos 

                   ·  Gas leak detectors


If the battery remains uncharged, then these drop the battery charge and can lead to its damage thus short lifespan. 



Reason 04: over-charging or undercharging 

Over-charging occurs when the rv converter charger is old or of pure quality. Allows high charges to the battery thus boiling the electrolytes and kills the rv battery.


- Undercharging happens when the battery does not charge to full capacity, and other factors like parasitic loads consume the charge. Sulfation may kick in and thus destroy the battery.



Reason 05: Lack of proper maintenance 

Battery maintenance is mostly done through periodic checks and adjustments to battery water levels. Mineral-free water should be used preferably distilled water. You need to fill the rv battery cell up to 1/8 inch below the vent well.


The best rv battery should be recharged as it is used up to 50 % to double its durability. The quicker the rv battery is charged after discharge, then the more extended its lifespan. 




Therefore with all the above information, your rv battery can last as it should. Always remember to wear gloves and eye protection glasses when handling rv and any other lead-acid batteries. For more information, you can visit the following websites.

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