Does Battery Disconnect Have To Be On To Charge Camper?

by | Last updated on January 24, 2024

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The switch for battery disconnect should be in the off position most of the time

. The confusion many new RVers have about the battery disconnect switch is that the “on” position turns off the 12-volt power flow and that when connected to shore power, they don’t think they need to use the battery for power.

Should my RV battery disconnect be on or off?


The disconnect should be turned off when you store your camper so your batteries discharge more slowly

. Mind you, they’ll still discharge spontaneously over the course of several weeks, but with the switch off it’ll take longer. Using your disconnect switch in this way ensures longer life for your batteries.

Do I need to disconnect my RV battery to charge it?


If you leave your RV battery plugged in after it’s fully charged, it can deplete the cells’ electrolyte levels

. This can lead to reduced battery life unless you have a newer RV converter with a three or four-stage charging process called a smart charger or if you’ve attached a battery tender.

What does the battery disconnect do on a camper?

What Does a Disconnect Do? As implied by the name, an RV battery disconnect switch provides you with a simple way to

cut off the main RV circuit from your battery

. Typically, this switch is located near your battery inside the battery compartment, but it may also be in a nearby maintenance bay.

Should I disconnect my RV battery when plugged into shore power?


You should not need to disconnect your batteries while connected to shore power

. Keeping your RV batteries charging via shore power prevents them from draining too much while not in use. It is also important to note that not all of your RV systems can run on AC power.

Should RV battery be disconnected when on shore power?

What position should the battery disconnect be in?

The switch for battery disconnect should be in

the off position

most of the time. The confusion many new RVers have about the battery disconnect switch is that the “on” position turns off the 12-volt power flow and that when connected to shore power, they don’t think they need to use the battery for power.

When should you use a battery disconnect switch?

Battery disconnect switches are designed to

cut-off electrical power, help protect against electrical fires and theft when equipment is not in use

. They also provide a reliable way to shut down electrical power during maintenance and protect batteries from excessive drain.

How do I keep my RV battery charged?

Lower temperature slows the discharge process down, and higher temperature quickens it up. Keeping an RV’s battery charged while in storage is one way of prolonging the battery life. One practical way to keep it powered up is by

using solar panels

. Solar panels automatically charge any connected utility.

Should I disconnect my RV battery for winter?

When you store your RV during the offseason,

you also need to remove your battery and keep it in a warm location

. If you leave it in, the water in your battery may freeze when the temperature drops too low. This happens because a battery loses its sulfuric acid when it discharges and leaves water behind.

Where is the RV battery disconnect switch?

Can you put a battery disconnect on the negative side?

The negative cable connects to the body ground already—so there’s no additional danger if it rubs. It’s the same principle as why

you should always disconnect the battery’s negative side first before performing electrical service

.

How do you charge RV batteries with shore power?

Charging RV batteries with shore power is an automatic process. Simply

plug the RVs power cord into a 120v AC electrical outlet, and the batteries will start charging, if needed, through your RV’s power converter/charger

. This converter converts the AC power to DC power so your batteries can charge properly.

How do you disconnect a camper battery?

Can I charge my RV battery while it is connected?

Fortunately, the answer is yes;

your RV house battery will charge while it is plugged into shore power

. Your RV battery will charge when an external power source is connected and providing power to your RV.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.