Travel trailers don’t move on their own. You “trail” them behind a truck. So they don’t need a battery, right? Wrong. They have essential electrical components that keep you and other motorists safe on the road. Namely, electric wheel brakes. These must be functioning if you want to stay on the right side of the law. That’s why you need a travel trailer battery to power them. But don’t forget about other essentials – like lights, appliances, and your water pump. Camping isn’t as comfortable without the basics, so you’ll definitely want to have a travel trailer battery along for the ride.
But maybe you’re wondering…what kind of travel trailer batteries do I need? How many, and what voltage? We’ll answer those questions and more in this quick guide to choosing a travel trailer battery.
These are the four main types of travel trailer batteries:
Out of these four, lead acid is the cheapest option. But it’s also the one with the smallest lifespan. These batteries require maintenance to prevent damage from sulfation and leakage. They are also heavy and cumbersome as a pile of bricks, and can’t be drained past 50% capacity.
AGM travel trailer batteries don’t need as much maintenance as lead acid batteries, and they can be discharged up to 80%. But they have a major downside–they can overcharge easily.
Gel batteries are a step above lead acid, as they’re sealed to prevent leaks. They work well in extreme temperatures, but charge very slowly.
Limited on space in your travel trailer? Lithium batteries are the smallest, lightest travel trailer battery option. But that doesn’t mean they’re less powerful. The lithium iron phosphate chemistry gives them superior stability, efficiency, and safety. This is the fastest-charging battery type, and also the longest-lasting.
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