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BigBattery opened our new Headquarters in California! |  Located @  21314 Lassen St Chatsworth CA 91311

Choosing Between AGM and Lithium Batteries for Your RV


If you’re having trouble choosing between AGM and lithium batteries for your RV, the decision is easier than you think. While both kinds of batteries come with their respective benefits, lithium batteries measure up in the long run. Consider the following pros and cons of both battery types before making your decision!

AGM Batteries: What’s Good? What’s Bad?

For starters, AGM batteries are a kind of lead-acid battery, though they’re slightly more advanced than the standard lead-acid batteries you find in most vehicles. “AGM” stands for absorbent glass mat, which refers to a sheet or separator made of fiberglass. The fiberglass sheet absorbs the electrolyte solution within the battery and rests between the battery plates inside. This way the electrolyte solution is stored in the fiberglass rather than allowed to fill the battery in liquid form. This provides the AGM battery its biggest benefit. It’s sealed and won’t spill the acid even if the exterior is breached or the battery is tipped. This is safe and keeps the battery working at its usual capacity even in case of an accident. Unlike standard batteries, AGM batteries are vibration-resistant and generally maintenance-free.

The Pros and Cons of Lithium Batteries

Lithium-ion batteries exceed AGM in some significant ways and you can use lithium batteries for your RV, as well as other applications. They provide a great wealth of benefits. They don’t require a fiberglass insert to prevent spills because they don’t run on the same lead-acid reaction as standard batteries. While AGM batteries can also be charged through solar-powered systems and provide plenty of power, lithium-ion batteries take less time to do so and remain charged longer. They store far more energy as well. This increased power density means you can save space and weight with a lithium-ion battery compared to an AGM battery. Lithium-ion batteries are also maintenance-free—no need to top them off with distilled water or remove corrosion from the leads. They’re much lighter, which puts less stress on the vehicle on long hauls.

Time To Choose (But Is It Really a Choice?)

When it comes down to choosing between AGM and lithium batteries for your RV, there isn’t much of a choice. When you pick an RV lithium battery pack for your RV, you’re getting more power for your buck while saving on gas and maintenance costs down the line. Lithium batteries have longer lifespans and don’t experience damage and develop an inability to recharge when they go below their full charge. When you choose a lithium-ion battery on your RV, you’ll never lack power again.

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