![]() While starting batteries are good at providing short, high-powered boosts to get your engine going, deep-cycle batteries will be able to power your coach for longer periods of time. This means a deep-cycle battery can power your lights and other functions and a lower level than your starting battery can start your engine. If you want more power for longer periods of unplugged power and are using more than two 6v batteries, you will always need an even number to achieve the 12v output.ĭeep-cycle batteries can be recharged more often and can be drained to a deeper level than starting batteries. So, if 6v batteries are being used, two are required to achieve the appropriate output. They usually come in 6v or 12v configurations, but the output must always equal 12v. These batteries send power to fuses in lights, refrigerators, slideout motors and mechanisms, water heater, other appliances, etc. When replacing this battery, choose one with the same CCA rating or larger.ĭeep-Cycle Batteries: Deep-cycle batteries are the ones used for household power in your coach, travel trailer, or camper. These are pretty much the same as automotive batteries, except they have a higher CCA (Cold Cranking Amps) rating to accommodate the larger engine. The first step to finding a battery replacement is to understand the electrical system on your RV and the different types of RV batteries.Ĭhassis Batteries: Also known as the starting battery, the chassis battery is responsible for starting the engine on a motorhome. Generally, the rule of thumb for RV batteries is one battery per person plus one extra.Ĭhoosing the right RV battery is about more than finding the correct voltage- there’s a lot you need to know when finding a replacement for your existing RV battery: Understanding RV Electrical Systems: If you do a lot of unplugged, dry camping, you might need a battery with more power, or you might want to wire multiple batteries together to form a battery bank. Or perhaps your batteries are in fine condition, but you want to upgrade or add additional batteries. Sometimes, due to a lack of maintenance, hard use, failure within your converter, “cannibalizing” of a good battery by a connected bad battery, and numerous other causes, your batteries can fail and it’s time to find a new one. There are several reasons that could prompt you to replace an RV battery or upgrade. OE batteries are usually adequate for the average RVer, but depending on your RV lifestyle, maintenance issues that arise, or personal preference, you may need to start looking for the best RV battery for your particular situation. If you have a travel trailer or camper, you will have a deep-cycle battery (or batteries) only. If you have a motorhome, you’ll have a chassis battery for starting the engine and at least one 12v deep-cycle house battery, or two 6v deep-cycle house batteries. If you noticed the plural on “batteries” there, it’s because your RV likely has multiple batteries. ![]() Generally, you trust the OE (original equipment) batteries in your RV to last you for years and years and hope you never have to think about replacing it. The first feature you look at when purchasing an RV is rarely the battery.
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