Best RV Battery for Boondocking in 2021

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#1

Best RV Battery for Boondocking in 2021 1

BEST OVERALL

Optima Batteries 12V Battery

#2

Best RV Battery for Boondocking in 2021 2

VMAX SLA-125 Battery

#3

Best RV Battery for Boondocking in 2021 3

Weize 12V Battery

#4

Best RV Battery for Boondocking in 2021 4

Ampere Time 12V Battery

#5

Best RV Battery for Boondocking in 2021 5

BEST PORTABLE

Aimtom 300 Watt Power Station

One of the best things that an RV brings to your life is freedom, and this is most true when you’re enjoying the thrills of boondocking.

This simple act refers to pulling off wherever you feel like it and camping for the night in your RV, and provided you’ve got everything you need to make it comfortable, it’s one of the greatest ways to do it.

An essential part of boondocking is having enough power to keep all of your appliances and creature comforts ready for action, made a little harder by the fact there’s no access to electricity anywhere.

To do this, you need a mighty battery, but not just any will do, as it has to be the best RV battery designed for boondocking and these kinds of off-site adventures.

What is the best battery for boondocking, then?

The best battery for dry camping should have enough voltage to keep you powered up, a good recharging time, and the appliances you want to use.

Keep in mind you might require other accessories like inverters or solar panels, and think about your personal RV experience to steer you towards what you need.

To make this search easier for you, we’ve compiled a list of our favorite boondocking RV batteries and a little more about what they offer.

With our top finds, you’ll have an efficient power source to allow you to meet your wildest boondocking fantasies and make sure you don’t miss out on any of your usual comforts on your adventures.

Equipping your RV with a decent battery is one of the smartest ways to enhance your boondocking potential. We’ve selected some of the best batteries for this very purpose, so all you have to do is choose the one that most suits your plans for your next off-site adventures.

Best Overall: Optima Batteries 12V Battery

Optima Batteries 12V Battery
  • Size: 10 x 7 x 8 inches
  • Capacity: 12 volts
  • Type: Deep cycle

If boondocking is your goal and you want a battery you can rely on to keep you running smoothly, the Optima Batteries 12V Battery is our top pick.

This battery features 12 volts of power and works with 750 cold-cranking amps, giving you more than enough to keep all of your mod-cons humming along while you camp off-site.

According to customers, the longevity of this battery from Optima is what sets it apart, and gives the brand its famous name.

If you plan on boondocking you’ll want a deep cycle battery that can be discharged as low as it goes without a bother, and that appears to be exactly what this one can do. In terms of longevity, there’s no better option on the market.

However, one drawback of this battery is that it appears to offer the same as the red top model offered by Optima Batteries in terms of capacity.

This yellow top version is still efficient, but it seems you can get a cheaper option from the same brand that performs just as well, so it’s worth considering if you’re weighing things up.

The Optima Batteries 12V features a reserve capacity of 120 minutes, which means you’ll never run out of steam in the middle of something.

For boondockers who travel off the beaten path, you’ll love that it has heightened vibration protection, and according to Optima can handle up to 15 times more intense vibrations than others.

This is a great choice for dry camping and boondocking as it provides an easy start in all weather conditions, and is a good size for RVs. You can use it for everything from AV systems to hydraulics, and it has a SpiralCell design that provides clean power for your electronics.

The overall dimensions are roughly 10 x 7 x 6 inches and it weighs just over 40lbs, so it seems pretty in line with other boondocking RV batteries we’ve reviewed.

If you want the best RV deep cycle battery, the Optima Batteries 12V is the way to go. This is an ideal choice for boondocking and it gives you more than enough reliable power to keep you happy.

For the best deep cycle battery for RV use and boondocking adventures, the Optima is the best around.

Runner Up: VMAX SLA-125 Battery

VMAX SLA-125 Battery
  • Size: 12.9 x 6.8 x 8.5 inches
  • Capacity: 12V
  • Type: Deep cycle

The VMAX SLA-125 Battery is one of the best 12 volt RV battery options for boondocking, and although it’s designed for use with a Goal Zero Yeti power pack, it does just as well in your camping vehicle.

The VMAX SLA-125 is a 12 volt AGM deep cycle battery and it’s designed for heavy use and deep discharges, making it a perfect choice for people going dry camping in their RV.

The best thing about this battery is its versatility when it comes to charging options. According to VMAX, you can charge up your 12V boondocking battery with solar power, an RV converter, wind turbine, vehicle alternator, or AC charger, giving you more ways to stay connected even when you’re in the middle of nowhere.

Most people reported great results during boondocking using just solar panels to keep it charged each day, so it’s certainly got efficiency going for it.

The major drawback is its lack of portability, and it’s one of the heaviest batteries we’ve found. With an estimated weight of over 75lbs, you’ll really struggle during charging and movement of it, so keep this in mind if you’re camping alone in an RV and don’t want to exert too much effort.

The battery only measures 12.9 x 6.8 x 8.5 inches so it’s not exactly huge, but it appears the casing is what gives it this added weight.

The VMAX SLA-125 Battery has a 20 hour capacity of 125Ah and a float voltage of 13.5V – 13.8V. According to VMAX, you’ll get a float service life span of up to 10 years with this battery alone, so it’s one of the better options if you’re after longevity and plan on using it for boondocking for many years to come.

This 12V battery is ideal for dry camping as it emits no fumes or gases, and is easy enough to charge up with a variety of power sources.

The recharge rate is around 260 minutes, depending on how far down the battery life has gone, and the battery itself is housed with military-grade custom made plates for durability.

If you’re after a 12V RV battery that’s built tough and feels like it, you’ll love the VMAX SLA-125 Battery. VMAX covers this 12V battery with just a 12 month warranty, which could be better, but if their 10 year life span is correct, it’s well worth the investment.

Alternative: Weize 12V Battery

Weize 12V Battery
  • Size: 12.09 x 6.65 x 9.17 inches
  • Capacity: 12V
  • Type: Sealed lead acid

The Weize 12V Battery is a deep cycle model with 100Amp capacity and is capable of delivering 10 Amps for 10 hours of us, according to the manufacturer.

This battery is ideal for RV camping but also golfing, travel trailers, and off-grid applications, so you know it’s going to serve you well when boondocking.

According to reviews, the best feature of this battery is its low cost, and it makes a great backup option if you need one.

The 12V deep cycle battery is efficient and fast to recharge when compared to others, so whether you want to use it as your main power source or something you keep on standby, you’ll love everything it offers for this price.

However, although Weize promises 100Amp capacity, most reviewers have claimed it’s more like 50Amps. Keep this in mind when comparing the Weize to other batteries and think about what you need from one to enable you to boondock the way you want to, as this simply might not be enough.

As a sealed lead acid battery, it’s designed for longevity, but that also makes it heavy. The overall weight is around 60ls, however, Weize has included a carrying handle to help you out, even if they recommend two adults carry it together.

The dimensions are 12.09 x 6.65 x 8.31 inches so it’s slightly longer than most, but still part of battery Group 31, although it looks similar to other Group 27 models.

The Weize 12V Battery comes with the battery and screws, bolts, and nuts for mounting, but no additional parts if you need them. It features deep discharge recovery which makes it ideal for camping and has a long service life that gives you good value for money and means fewer replacements over the years.

The calcium lead alloy grid enables this minimal impact deep discharge and keeps it in good condition for longer.

Weize covers this battery with a 30 day satisfaction guarantee and a one year limited warranty, which isn’t bad for something in this price range. The Weize 12V Battery is the best 12V battery for an RV if you’re shopping on a budget, so keep it in mind.

Alternative: Ampere Time 12V Battery

Ampere Time 12V Battery
  • Size: 13 x 6.82 x 8.48 inches
  • Capacity: 12V
  • Type: Lithium-ion

If money is no object and you only want the best of the best for your boondocking experience, it has to be the Ampere Time 12V battery.

This lithium-ion battery is a deep cycle model that uses automotive grade LiFePO4 calls that give it a higher energy density, and mean you can have more of your favorite appliances running when you’re camping.

The Ampere Time battery is a lithium-ion model which is easily the best feature it has to offer.

As well as being efficient and fast to recharge, it’s also lightweight compared to others, and it makes for a much more convenient charging process when you stack it against the rest of the competition.

For RV owners who are getting older and don’t want to deal with moving heavy objects around just to enjoy their favorite pastime, the 25lbs weight will matter.

However, it’s an expensive option, and although lithium-ion is considered the superior choice, this one won’t last much longer than the other cheaper models.

You’re paying for the privilege of using a lithium-ion battery which is still ideal for camping and RV use, but keep in mind that you’ll have to replace it just as often, which makes the cost even scarier over the years.

The Ampere Time Lithium-Ion Battery provides between 2000 and 5000 cycles during its lifespan and will last around 10 years with regular use.

It’s considered one of the safest models because of the interior cells and comes with a UL testing certificate for your peace of mind. With 12V of power, most RV owners use more than one to keep them happy, and these can be easily wired together thanks to instructions from Ampere Time.

This battery measures 13 x 6.82 x 8.48 inches and weighs 23.35lbs. Its lightweight construction is thanks in part to the LiFePO4 battery that’s up to half the weight of a standard lead-acid battery, while being just as efficient.

The Ampere Time 12V Battery features a built-in battery management system as well, so there’s no need to worry about it over-charging or over-discharging.

To get your hands on a serious lithium-ion battery for your RV boondocking, be prepared to pay a premium price for the Ampere Time model. Although expensive, it has a lot to offer but is really only necessary for those with serious RV requirements.

Best Portable Battery for RVs: Aimtom 300 Watt Power Station

Aimtom 300 Watt Power Station
  • Size: 7.5 x 5.5 x 5.9 inches
  • Capacity: 110V
  • Type: Power pack

When you’d rather rely on a portable power station for your boondocking adventures, something like the Aimtom 300 Watt Power Station is our top pick.

This battery pack comes with 300 watts of power and provides a massive 75,000mAh capacity so you can use your favorite appliances when you’re on the road.

The best thing about this battery pack is its size and power, with an overall weight of around 7lbs.

When you compare this to other batteries that are connected directly to your RV, it’s a much easier option and better suited to those who aren’t physically capable of carrying anything heavy, like elderly users or solo travelers.

The worst thing about the Aimtom Power Station is that the power supply isn’t regulated, so you may have some issues with large appliances.

For example, something like a fridge might not stay powered up when the battery pack gets below 50% even if it’s got enough capacity to do so. This means you have to manage everything that’s connected to it yourself.

The Aimtom 300 Watt Power Station is packed full of features including the ability to be charged up anywhere, even a 12V car socket. It weighs only around 7lbs and is 7.5 inches long, so you can carry it wherever you need to.

Included on this power pack are a 110V AC port, three 12V outputs, four USB ports, a 24V output, and a 12V car port. You can attach up to 10 different devices at once using the Aimtom and there’s no need to worry about it blowing out because it has built in protection from over-voltage and over-heating.

If you prefer a more portable method of powering up your boondock adventures, the Aimtom 300 Watt Power Station is our favorite find. Aimtom covers this with a 12 month limited warranty, and you get free returns and shipping from Amazon, so there’s a lot included in this neat little package.

FAQs of Boondocking RV Batteries

A boondocking suitable battery should have enough power and convenience to let you live comfortably, no matter where you pull off to camp.

If you’re still unsure of what you’ll need from a battery if boondocking is your plan, check out the answers to these commonly asked questions to find out more.

How Long Will RV Battery Last Boondocking?

HOW LONG WILL RV BATTERY LAST BOONDOCKING?

The length of time a battery lasts while boondocking depends on how much electricity you’re using, and whether you have additional support like solar power or a way to recharge it at the end of the day.

A standard Class B RV should last at least a few days and up to a week with one 12V battery and some solar energy, but slightly less if you’re not careful.

How Do I Charge My Boondocking RV Battery?

A rechargeable RV battery designed for boondocking can be charged up by being plugged into an electrical socket, by using a generator, using solar panels, wind turbines, or sometimes even while you drive.

Depending on the type of battery and its capacity, the charging properties will be different, so you should always follow the battery manufacturer’s guidelines for the safest and most efficeint method.

What Is The Best RV Battery Setup?

WHAT IS THE BEST RV BATTERY SETUP?

All batteries are made with  recommended settings that allow you to get the most out of them and maintain their use for the long haul.

For an RV battery setup, you should choose a deep cycle battery with a good capacity to power your needs, and have additional energy input from a solar power setup as well.

Deep cycle batteries can be discharged near-empty multiple times without doing damage like other types and are ideal for RVs.

How Many Batteries Do I Need To Boondock?

The batteries needed for boondocking depend on how long you want to camp for and what appliances and electronics you plan on using.

Under normal conditions, a standard 12V battery should be enough for around two days of use, but you should always have a backup ready just in case or multiple batteries that can be linked together if you require more.

Does RV Battery Charge Driving?

DOES RV BATTERY CHARGE DRIVING?

It is possible to charge an RV battery while you’re driving, but not for all types of batteries. However, most batteries come with multiple methods of charging them if this doesn’t work.

For batteries that can be charged while driving, you’ll also need other supplies like Anderson plugs, high amperage cables, and a voltage-controlled relay to allow it to charge while you drive the vehicle.

Staying Connected Wherever You Camp

Boondocking is one of the best ways to put your camper to good use, but without the right battery, you’ll be doing it tough.

Although there are loads of benefits to going off-road and camping wherever you feel like it, you still need to stay connected to the basic electronics and appliances that make your RV feel like home.

Our recommendations for the best boondocking batteries cover all purposes, sizes, and power capacities, giving you a handful of great options to choose from. Any of these batteries can make your camping adventures better, so consider equipping your RV with one of them for a better boondocking experience.


Best RV Battery for Boondocking in 2021 6

Gus Tremblay

Gus Tremblay is a Canadian-American with a knack for road travel. He spends the better part of every year on the road in his RV, touring every possible state in the US and all the backgrounds of Ontario, and DIYing new features and additions to his RV. He’s here to tell you about RVing effectively, making it efficient, and making it work for your budget. From replacing your sewer hose to mounting solar panels and more, this man is your RV grand master, and he’s here to show you a thing or two.