Recreational vehicles don’t run on gas alone. Batteries play a big part in helping them keep rolling and providing power during long trips. Batteries aren’t inexpensive, but when you invest in a 12-volt lithium RV battery, you want it to last as long as possible. Fortunately, with a little basic upkeep and careful use, you can ensure your RV’s batteries provide plenty of power for years to come. Here are five tips to extend the lifespan of RV batteries.
Keep Cool
One of the biggest destroyers of batteries is heat. Whether it results from hot weather, overcharging, or overuse, a hot battery is a short-lived battery. After you charge your battery, remove it and give it a chance to cool down before reinstalling it. Most rechargers shut off when the cycle is done, but it’s still smart to shut it all down, disconnect it, and let the battery sit before reinstalling it. Likewise, keep batteries in a shelter or shade and out of the hot sun.
But Not Too Cool!
Cold weather can also affect lithium-ion batteries. When the temperature drops and the RV isn’t in use, disconnect the batteries and bring them indoors to keep them warm. If it’s a cold but bright day, leaving the batteries to sit in the sun can also warm them up. If you bring them inside, keep them in a safe space, away from activity and heat sources such as furnaces, radiators, and vents. Storing them in the basement is the best option.
Keep Them Steady
When you’re on the road, there’s not much you can do about vibrations. But your batteries are mostly safe from shocks and the like when they’re installed. Regardless, go easy over those bumps and potholes. When the batteries are not in the vehicle, move them carefully. Drops are dangerous to the contents and can cause cracks and leaks, rendering your battery useless. When transporting the batteries, make sure they’re secure and will not tip.
Keep It Dry
Batteries are sealed tightly for several reasons, but a big one is that water and electricity don’t get along. If the battery is submerged in water or moisture is allowed to infiltrate the casing, the contents can be rapidly oxidized, causing corrosion, ruining leads if there any, and bringing performance levels down to zero. Keep your battery away from water sources. Going underwater, exposing the battery to rain, and even coming into contact with spilled beverages can destroy a perfectly good battery.
Watch the Charge
Here’s the last of our five tips to extend the lifespan of RV batteries: keep track of the charge. Overcharging is bad, but so is letting a battery drain fully before recharging it again. It may seem counterintuitive, but too little or too much power can reduce the battery’s ability to recharge in the future. Look for a happy medium and note performance after each charge. Remember that a battery can only take so many charges in its lifetime. Check your batteries’ spec sheet or manual to see how many charges it can handle in its lifetime.
Share on facebook
Facebook
Share on twitter
Twitter
Share on linkedin
LinkedIn
Share on pinterest
Pinterest
Frequently Asked Questions
How long do LiFePO4 batteries last?
A quality LiFePO4 battery can commonly deliver 4,000 or more charge cycles, often roughly 10 years or longer under the right conditions. Depth of discharge, temperature, charge settings, storage habits, and the BMS all affect the result.
How many years is 4,000 cycles?
One full cycle per day is about 11 years. Three cycles per week is more than 25 years on paper, though calendar aging becomes the limit first.
What happens at the end of a LiFePO4 battery's life?
It does not suddenly stop. It loses capacity gradually. A battery rated for 4,000 cycles may be specified to keep around 80% of its original capacity at that point.
Does temperature affect LiFePO4 battery life?
Yes. High heat speeds aging, and charging below freezing can damage cells unless the battery has low-temperature protection or self-heating.
How long does a lithium battery last in an RV?
Many years, when charging sources are configured correctly and the battery is protected from freezing charge conditions. Annual cycles are often fewer than in a daily solar system, but conditions vary more.
How should I store a lithium battery?
Store it at a partial state of charge in a clean, dry, moderate-temperature location. Disconnect parasitic loads and check it periodically per the manufacturer's guidance.
