Figuring Out Your RV Battery Needs Without the Guesswork
One of the most common frustrations in RV ownership is running out of power mid-trip. It's almost never a solar panel problem or an inverter problem — it's a battery sizing problem. The system was set up based on a guess rather than an actual calculation, and the guess was off.
Getting your battery bank sized properly for the way you actually camp isn't complicated once you have the right framework. Here's how to think through it.
Why Most RV Battery Banks Are Undersized
Factory-installed battery systems in most RVs are built to a price point, not a performance target. A single 100Ah AGM battery might be adequate for a campsite with full hookups — but dry camping with a residential refrigerator, a CPAP machine, a laptop, and lights will exhaust it quickly.
The gap between "what cam...