RV Energy: Series or Parallel Batteries?

RV electrics advice

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When it comes to wiring RV batteries, there are two main methods: wiring them in series or parallel. But what exactly is the difference between these two methods? And does it even matter which one you use?

We can increase the voltage by wiring batteries in series, but it doesn’t affect the amp hour size.

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We can increase the capacity (amp hours) by wiring batteries in parallel, but it doesn’t affect the voltage.

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Before you can decide how to wire your batteries, you should determine: – What voltage you need, and – How much capacity (amp hours) you need.

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1

How much battery capacity you need (measured in amp hours) depends on the following: – what kind of appliances you use, – how power-hungry they are,

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2

Once you understand the capacity and voltage required, you can shop for batteries. When you buy RV batteries, you need to consider their voltage and capacity.

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3

Deep-cycle batteries are available in a variety of voltages, including: – 6v – 12v – 24v

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You need to wire batteries in series if you’re using: – 6v batteries in a 12v or 24v system, or – 12v batteries in a 24v or 48v systems, or – 24v batteries in a 48v system.

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Today, manufacturers sell 12v lithium RV batteries in sizes over 200ah, so they’re usually a better option.