Marine batteries can be starting, deep cycle, or dual-purpose batteries.Ī dual-purpose battery is kind of a hybrid between a starting battery and a deep cycle battery. This is important to the process of providing DC power for RV use. The big difference between deep cycle batteries and other common batteries is the ability of the deep cycle battery to handle multiple cycles of deep discharge. For example, if you have a deep cycle battery rated to provide 100 amp-hours of energy, you don’t want to use more than 50% of that energy, or 50 amp-hours. However, it’s best not to deplete a deep cycle battery below a 50% state of charge. These batteries are constructed using a smaller number of thicker lead plates, giving them greater resistance to damage from many cycles of being drained (reasonably) and recharged.ĭeep cycle batteries can be drained and recharged many times over. Deep Cycle Batteriesĭeep cycle batteries are designed to provide a long, steady supply of power rather than short power surges. So, while they can provide high current, they can’t handle deep discharges without suffering permanent damage and/or dramatically decreased lifespan. Starting batteries are easily damaged by being drained too low. They typically have a larger number of thinner lead plates, allowing them to discharge in a burst and recharge quickly. They provide their maximum power for about one to three seconds. Starting batteries are designed to provide the short but powerful burst of energy required to start an engine and to power the typical small 12V DC loads that a car might have. Let’s take a look at each of these three battery types, how they work, and the jobs they’re designed to do. The three most common types of RV batteries that are not lithium ion (typically for RV use, Lithium Iron Phosphate) batteries are starting batteries, deep cycle batteries, and marine batteries. What Are the 3 Most Common Types of (Non-Lithium) RV Batteries?
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4) What Are the Best Deep Cycle Batteries for RVs?.3) Do Most RVs Come With Deep-Cycle Batteries?.2) Should an RV House Battery Have High CCA (Cold Cranking Amps)?.1) What Are the 3 Most Common Types of (Non-Lithium) RV Batteries?.
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