How Long Will RV Battery Last Boondocking?

If you enjoy boondocking, you will want to know how Long Will RV Battery Last Boondocking. It is annoying when the battery ends and you end up with no power.

The amount of time that the RV battery will last when boondocking depends on the energy usage along with the amp hours of the battery (or the bank of batteries).

Looking at this generally, on average, if you have a single 100ah 12-volt battery, this will have sufficient power to run your basic electrical devices such as lights, fans, as well as water pump only for a day or two. When you conserve energy employment, upgrade the battery system, moreover employ other forms of energy (like propane or generator), when it is possible, you may increase the amount of time that the RV battery will last for.

The following aims to give you a detailed answer to how long will RV battery last boondocking and provide you with some helpful tips concerning this:

Amount of time battery will last boondocking

At the time that one is boondocking, dry camping, going dispersed camping, or any type of camping where there are no utilities, one needs to know generally how long their RV battery setup will actually last.

As stated above, when boondocking only for a day and using the basic electrical equipment along with appliances, the RV battery that has 100 amp-hours (ah) of capacity (i.e. typical RV battery size), must keep the RV running for about 24 hours and that on a single charge.

However, it is important to keep in mind that we all use energy differently. If you wish to get a more efficient estimation of energy usage prior to going camping, you will need to do some math.

Start off by listing the devices that you plan to use daily and the amount of time that you plan to use each of these. Find out the number of amps that each device uses. This may be printed on the device or it may be stated in the owner’s manual. When they only give the watts for a certain device, you should convert this to amps which can be done by dividing watts/volts.

How Long Will RV Battery Last Boondocking?

How Long Will RV Battery Last BoondockingIf a device is 120v, you should multiply the amps by 10.

Take the example of a 12v light bulb. This draws around 1.5 amps. When the light is employed for 2 hours, this will use 3 amp hours battery power.

If you want to calculate how much a 12v appliance will use as a coffee pot consider this calculation. A coffee pot that employs 450W on 120-volt AC, will take 450 / 120 which equals 3.75 amps. If you are utilizing 120v AC power, your coffee pot employs 3.75 ah. The amps should be converted to 12-volts. This is done by multiplying by 10. Therefore, 3.75*10 equals 37.5 ah. When using a coffee pot for only 1 hour per day, this will use about 37.5 ah.

Add up all the amp hours of those appliances as well as devices that you hope to use. You can then get an estimation of the total amp hours that you will employ per day. You can then find out how long the deep-cycle battery can last when you do not charge it.

It is important to know that an RV that uses lead-acid batteries, may only be discharged around 50% prior to needing to recharge it. Its life can be reduced if you do not do this. Therefore a 100 ah battery can give you about 50 amp-hours. If you are using lithium-ion batteries, these are able to fully discharge prior to recharging (but the BMS will often halt the discharge at 80-90%).

Should I get more than one RV battery?

You may be going boondocking for around two to three days. You will be wondering whether to get more than one battery for this. This is not necessary, however, when looking at RV batteries, it may be better to have more.

If your 12-volt battery tends to be rated at 80-amp hours, and if you do not employ too many appliances and electronics at one time, you can get around two days of power from this.

If you plan to go dry camping for some days, it may be better to have a second battery with you in case you may need it.

Tips to increase battery life when going boondocking

Those who often boondock, have to conserve energy and get the most life out of the RV batteries.

The following are some energy-saving tips that will help you extend battery life at the time you go boondocking:

Lights should be used carefully

It is important to use lights in a strategic way. Lights, mostly incandescent bulbs, use a large amount of energy. It is possible to conserve battery energy when you only use the lights when required.

If you read often, try reading when it is daytime rather than at night. It is better to plan the day so that most activities can be done with the help of natural sunlight. If there is no sunlight, try and not to stay up till late. It is better to wake up early as well.

Get LED flashlights as well as lanterns at the time that light is required. Flashlights utilize rechargeable batteries. These can remain for weeks and that without getting recharged. You can use lanterns to read, play games, and do other activities at night time. Cheap solar-powered LED yard lights tend to be a good way to illuminate the outside area of the RV when it is nighttime.

Use LED rather than incandescent bulbs

If you wish to conserve electricity in the RV, you should change the old incandescent bulbs and choose to use LED or fluorescent bulbs. These will employ less energy from the house battery. They use less electricity and the light that is given tends to be brighter in comparison to incandescent light.

The furnace should be used carefully

Whilst your RV furnace may probably run off propane, your unit’s fan may use much electrical energy. This is why you should run the propane furnace in a sparing way.

You can do this by parking somewhere where the sun may warm the RV. You can do this when the temperature is moderate like in Spring and Fall.

If you want to stay warm at night, bring some extra blankets as well as sleeping bags.

If you need to run the furnace, turn the thermostat down some degrees. You can add insulation to the RV’s floor, windows, as well as around the bottom exterior so as to hold in heat when it is winter.

Reduce water pump employment

All models are different, but a water pump will draw around 5 amps when you are using it. It keeps on drawing small amounts of power when you are not using it. It is important to use the water pump sparingly as well. It should be turned off when not in use.

Get lithium batteries

It is possible to get nearly double the usage power when employing a lithium-ion battery rather than a lead-acid battery. This is because you may fully discharge it. A lead-acid battery on the other hand should be discharged to around 50% if you want it to last for longer.

Tips to charge your RV battery when boondocking

It is necessary to recharge the batteries even if you conserve battery energy when boondocking for some time. The following tells you how to charge the boondocking RV battery:

Solar panels– One convenient and efficient way that one can recharge RV batteries is with the help of solar panels. You will need to use the sun’s energy here to charge the batteries. The procedure is one that is environmentally friendly.

RV Generator– You can get a Portable Inverter generator to do this. It can be a portable one or the vehicle’s onboard generator. This will help you recharge the RV battery whilst boondocking.

You can also charge the RV battery from the vehicle alternator. This is if you are set up for this. It is however a really slow process. You can make it faster by using a DC to DC power battery charger.

If it is possible, go to a campground or even RV park that has shore power whilst boondocking so as to plug in and recharge batteries, refill the water supply, along drain the tanks.

Now you have an idea of how long will RV battery last boondocking. It is always better to be prepared if you want to have the best time. Power is very important and you need to make sure that you are prepared to have it when you travel and go dry camping. It can be tough when you have no power.

One Comment

  1. Daniel Haigh says:

    So what is the solution?

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