As you may be aware, your RV is equipped with a number of electrical appliances, gadgets, and accessories, all of which depend on battery power to operate.

As a result, it’s critical to make sure your RV’s batteries are fully charged so that you can use all of your equipment while still being able to start the engine.

To guarantee this, consider purchasing one of the finest RV battery monitors listed below, which were selected based on the following criteria:

Current Range: Checking the current output of your RV’s battery or batteries will ensure that they are being properly serviced.

However, since various batteries have varied current outputs, an RV battery monitor with a broad current range reading, such as 0 to 100 amps or 0 to 500 amps, is essential.

Apart from the current range, you should also check the voltage range of your RV battery monitor to verify that your batteries are receiving appropriate charge.

When purchasing an RV battery monitor, voltage levels such as 6.5 volts to 100 volts or 10 volts to 120 volts are common.

Although virtually all RV battery monitors have a display on the front that shows all of the different readings, some of them may also feature Bluetooth connection.

You can check all the data of your RV batteries straight on your smartphone with such RV battery monitors.

Even though these are significant elements to consider when purchasing an RV battery monitor, there are a few more to consider.

This covers information such as their key features and alternatives, as well as a comprehensive “Buying Guide.”

Once you’ve finished reading this listicle, you’ll be able to quickly purchase the finest RV battery monitors thanks to knowledge like this.

Best RV Battery Monitors in 2022

Best RV Battery MonitorsCurrent RangeVoltage RangeWarranty
Victron Energy BMV-712 Battery Monitor0 to 500 amps6.5 to 70 volts5 years
Renogy 500A Battery Monitor0 to 500 amps10 to 120 volts3 years
bayite DC 6.5-100V Battery Monitor0 to 100 amps6.5 to 100 volts1 year
INNOVA 3721 Battery Monitor12 volts1 year
MICTUNING DC 6.5-100V Battery Monitor0 to 100 amps6.5 to 100 volts1 year
MNJ Multifunction Battery Monitor0 to 100 amps0 to 200 volts
ANCEL BM300 Battery Monitor12 volts3 years
AiLi 500A Battery Monitor0 to 500 amps10 to 120 volts1 year

Reviews of the Best RV Battery Monitors in 2022

#1. Victron Energy BMV-712 Battery Monitor

Victor Energy is a well-known brand of energy and power-related items since most of its products come with a variety of useful features and are very durable for long-term use.

The Victron Energy BMV-712 Smart RV battery monitor is ranked first because it is one of the most durable and dependable solutions available.

Not only that, but this RV battery monitor has a rather wide current range of 0 to 500 amps, which is always a plus.

Its voltage range of 6.5 to 70 volts, however, is quite restricted.

This RV battery monitor manages to integrate a tiny LCD at the front despite its modest form factor.

If that isn’t enough, you’ll like the fact that this is a smart battery monitor with Bluetooth connection and an accompanying smartphone app.

When it comes to one of this RV battery monitor’s important characteristics, you’ll be happy to hear that it comes with a 5-year guarantee, making it excellent for long-term use.

The Best Features are:

  • A current range of 0 to 500 amps is available.
  • A voltage range of 6.5 to 70 volts is supported.
  • Bluetooth connection is included.
  • There is a 5-year warranty on this product.

Pros:

  • Battery monitor for RVs that is quite small.
  • Ideal for long-term use
  • Over Bluetooth, it connects to a companion smartphone app.

Cons:

  • The voltage range might have been a little wider.

#2. Renogy 500A Battery Monitor

Renogy’s RV accessories and equipment, although being a little on the pricey side, might be a wonderful alternative if you need a battery monitor for heavy-duty use.

Renogy’s 500A RV battery monitor is ranked second on our list because it has the widest range of readings available to the user.

It has a current range of 0 to 500 amps, for beginners.

This is accompanied with a rather wide voltage range of 10 to 120 volts, which should be more than adequate for any situation.

While this RV battery monitor does not offer Bluetooth connection, it does come with a very wide screen for seeing your information.

When it comes to the numbers, this battery monitor displays battery capacity and power usage, as well as illumination and data storage options.

Because this RV battery monitor is designed for heavy-duty operation, it comes with a solid three-year guarantee.

The Best Features are:

  • A current range of 0 to 500 amps is available.
  • A voltage range of 10 to 120 volts is supported.
  • It comes with a three-year warranty.

Pros:

  • A huge display with a variety of functions.
  • Supports four distinct kinds of readings
  • It’s ideal for heavy-duty use.

Cons:

  • Even at this price, it lacks Bluetooth connection.

#3. bayite DC 6.5-100V Battery Monitor

Bayite is one of the newest brands on the market, yet it continues to be one of the most popular RV battery monitors since it is a cost-effective alternative for people on a budget.

This Bayite RV battery monitor is ranked third in this article since it is the most affordable choice on the list.

Even with its present reading range of 0 to 100 amps, it provides a good value for money.

This RV battery monitor also has a good voltage measurement range of 6.5 to 100 volts, making it quite adaptable.

In terms of adaptability, it’s a 4-in-1 meter that can also display active power use and energy rating.

Unfortunately, due to the low price, the display size of this budget-friendly RV battery monitor is rather restricted.

However, you may be surprised to learn that a one-year guarantee is included.

The Best Features are:

  • A current range of 0 to 100 amps is available.
  • A voltage range of 6.5 to 100 volts is supported.
  • A one-year warranty term is included.

Pros:

  • Budget-conscious RV owners will appreciate this entry-level battery monitor.
  • A good current and voltage range is available.
  • Multiple battery readings are shown.

Cons:

  • The screen size is quite restricted.

#4. INNOVA 3721 Battery Monitor

Innova is a relatively new brand of battery-related accessories and gadgets that you should consider if you’re looking for something different and small in terms of shape and performance.

The Innova 3721 RV battery monitor is one of the most distinctive battery monitors on the market.

This is owing to the fact that, rather of connecting directly to your RV’s batteries, it connects to the 12-volt power plugs within your RV.

As a consequence, the voltage measurement is set at 12 volts.

Unfortunately, it does not display the current value, which may be a problem for some.

Although, owing to its LCD display and colorful LED indication lights, monitoring the battery capacity and voltage is still rather simple.

Even though it is small, it includes an adjustable head that allows you to inspect all of the necessary details.

This RV battery monitor comes with a nice 1-year guarantee from Innova, which is always a plus.

The Best Features are:

  • Supports a voltage range of 12 volts or less.
  • Connects to a 12-volt cigarette lighter outlet.
  • A one-year warranty term is included.

Pros:

  • Form factor is unique and tiny.
  • Colored LEDs and an LCD display are included.
  • Affordably priced RV battery monitor

Cons:

  • There isn’t a current range reading option available.

#5. MICTUNING DC 6.5-100V Battery Monitor

Mictuning and its RV accessories, such as the battery monitors mentioned above, are another wonderful alternative for people seeking for entry-level solutions.

This Mictuning RV battery monitor is one of the most affordable solutions available, making it ideal for budget-conscious shoppers.

Even with its present range of 0 to 100 amps, it is reasonably priced.

In terms of the readings that you can receive from it, it is paired with a similarly acceptable and adequate voltage range of 6.5 to 100 volts.

Because it’s a four-in-one multimeter, it can also display power and energy data at the same time.

Despite its tiny display, this RV battery monitor has an alarm feature, illumination, and even data storing capabilities, making it quite useful.

This inexpensive RV battery monitor also comes with a 1-year guarantee, making it a superb value for money option for many.

The Best Features are:

  • A current range of 0 to 100 amps is available.
  • A voltage range of 6.5 to 100 volts is supported.
  • A one-year warranty term is included.

Pros:

  • Multimeter with four functions for maximum flexibility
  • For those on a tight budget, a low-cost RV battery monitor is available.
  • Data storage and alert functionalities are supported.

Cons:

  • The display isn’t the biggest.

#6. MNJ Multifunction Battery Monitor

MNJ Motor manufactures a variety of goods, equipment, and accessories for a variety of vehicles, including RVs, for which it produces a few useful RV battery monitors.

If you need a high voltage reading range for testing big parallel battery configurations, the MNJ Motor RV battery monitor can be the right choice for you.

This RV battery monitor, in particular, provides the greatest voltage rating in this article, ranging from 0 to 200 volts.

This is accompanied with a rather large current range of 0 to 100 amps, which is quite impressive, particularly considering the price.

Because this is a very inexpensive RV battery monitor, anticipate a tiny display.

It does, however, include backlighting, 9-in-1 reading capabilities, and other features, making it a very flexible alternative.

However, there is no guarantee included with this RV battery, which may be a deal breaker for some purchasers.

The Best Features are:

  • A current range of 0 to 100 amps is available.
  • A voltage range of 0 to 200 volts is supported.
  • Measurement and reading choices in a 9-in-1 package

Pros:

  • The voltage reading range is excellent.
  • RV battery monitor with a lot of bang for your buck
  • Backlighting for the display is supported.

Cons:

  • There is no guarantee on this item.

#7. ANCEL BM300 Battery Monitor

While Ancel is a new brand of items for your automobiles and RVs, such as RV battery monitors, it may be a wonderful alternative if you want something clever and feature-rich.

The RV battery monitor from Ancel BM300 is most likely the best and most adaptable battery alternative on our list.

This is owing to the fact that it not only has Bluetooth capabilities, but it also has a very functioning smartphone app.

This RV battery monitor, however, only works with 12-volt batteries and has no voltage reading range.

However, the most serious flaw with this RV battery monitor is that it does not display the current output of the batteries you’re checking.

Because this is a smart RV battery monitor, it lacks a display, making it a lightweight and small device.

Because you’ll be utilizing a smartphone app to operate this RV battery monitor, it will be able to retain readings for the last 31 days.

This Ancel battery monitor, like most other RV battery monitors, comes with a reasonable 1-year guarantee for your piece of mind.

The Best Features are:

  • A voltage readout of 12 volts is supported.
  • Bluetooth connection is included.
  • A one-year warranty term is included.

Pros:

  • Form factor is very small and light.
  • This is a very powerful and adaptable smartphone app.
  • For the last 31 days, it saves readings and data.

Cons:

  • The current reading is not shown.

#8. AiLi 500A Battery Monitor

Those without a price constraint might select Aili and its RV battery monitor types, including the one mentioned above, since they are ideal for heavy-duty use.

When it comes to easily examining the readings of big battery systems, Aili’s 500A RV battery monitor is one of the finest alternatives available.

It can display you a reading from 0 to 500 amps if you look at its current range for readings.

Similarly, the voltage range provided by this RV battery monitor is fairly wide (10 to 120 volts), which is always a plus.

You can quickly check things like the level of charge, time left, power usage, and more thanks to the huge backlit display employed by this RV battery monitor.

This RV battery monitor has configurable alarms and buzzers, which is a unique feature.

This premium item, like most other RV battery monitors, comes with a 1-year guarantee for dependability.

The Best Features are:

  • A current range of 0 to 500 amps is available.
  • A voltage range of 10 to 120 volts is supported.
  • There is a 5-year warranty on this product.

Pros:

  • It’s ideal for bigger battery setups.
  • Multiple readings and characteristics are shown on a big display.
  • For convenience of usage, it has an alarm feature.

Cons:

  • A little on the pricey side

The Best RV Battery Monitors Buying Guide

Whether you’re charging the batteries using your RV’s engine or an external solar panel system, it’s critical to make sure the batteries are fully charged so you can depend on them in any scenario.

Getting something like the RV battery monitors mentioned above is a simple method to obtain an idea of the charge given by your RV batteries.

With all of these different RV battery monitors, we’ve included vital information such as features and aspects that might help you choose the best RV battery monitor.

If you’re still unsure, have a look at our comprehensive shopping advice for the best RV battery monitors:

#1. Range at the Moment

When it comes to batteries, it’s critical to verify the current output to ensure that a specific battery arrangement can power all of your essential electrical appliances and gadgets without exceeding the battery’s power capacity.

Because of their broad current ranges, most RV battery monitors will enable you to examine the current output of your batteries.

Even while entry-level devices can only read 0 to 100 amps of current output, higher-end models can read 0 to 500 amps, which is much more than most others.

#2. Range of Voltage

Even though your RV’s batteries have a high current output, if the voltage output is not current, they may not be compatible with your electrical gadgets.

As a consequence, RV battery monitors may also examine your batteries’ voltage output.

This voltage measurement, like the current range, is offered in a range to allow for great adaptability in parallel battery configurations.

6.5 to 70 volts, 6.5 to 100 volts, 10 to 120 volts, and even 0 to 200 volts are some of the most popular voltage range classifications.

If you just need one RV battery monitor to check the voltage output of several types of batteries, choose one with a wide voltage and current range for its readings.

#3. Display

Those of you who have an RV battery monitor with high current and voltage measurement ranges may want to immediately examine the output of your RV’s batteries.

These battery monitors, like any other monitor, include an integrated display that allows you to perform the same thing.

However, not all RV battery monitors have the same display, which is something you should double-check.

Aside from display size, there are a few additional variations to consider, such as display backlighting, information arrangement, display type, and a few more.

#4. Bluetooth Compatibility

While utilizing the display of your RV battery monitor to verify information on your RV’s batteries is simple, it may not be the most flexible choice for everyone.

As a result, many RV battery monitors come with built-in Bluetooth connection.

With such RV battery monitors, you can simply use Bluetooth and a companion app on your smartphone to check all of the battery information for your RV right on your phone.

Not only is it very adaptable, but it also provides much more information than other RV battery monitors’ modest screens.

#5. Functions and Readings

Various RV battery monitors available on the market now include Bluetooth connection and huge screens, allowing them to do much more than simply check the current and voltage output of your batteries.

The majority of RV battery monitors are multimeters with four or more features.

This may involve things like checking voltage, current, power, energy, battery capacity, and more.

Any RV battery monitor that can take several readings is likely to be very useful in a variety of situations.

#6. Installation

You’ll want to get started utilizing your RV battery monitors as soon as you’ve found the proper one for your RV and battery configuration.

But first, you must install the RV battery monitor and connect it to the batteries in order to get accurate data.

There are two kinds of RV battery monitors available, each with its own installation method.

A few RV battery monitors may be immediately linked to any of the several 12-volt vehicle charger outlets supplied within your RV, starting with the easiest installation.

Battery monitors that link directly to the battery via shunts, cables, clamps, and other similar included equipment are recommended if you wish to monitor bigger battery configurations in your RV.

#7. Warranty

You want your RV battery monitor to be functioning for as long as possible once you’ve chosen the proper one for your RV and put it inside, so you don’t have to repeat the process.

As a result, it’s always a good idea to double-check the guarantee on your RV battery monitor to ensure that it’ll last a long time.

While most RV battery monitors come with a one-year guarantee, certain more dependable alternatives may come with a three-year or five-year warranty for added piece of mind.

Conclusion

Because an RV is effectively a home on wheels, it has a large number of gadgets and household equipment.

All of these equipment and appliances, like your RV’s engine, are powered by your RV’s batteries.

As a result, getting one of the finest RV battery monitors listed above is highly advised.

All of the numerous RV battery monitors mentioned previously in this article contain their specifications, including features and aspects, as well as a detailed purchasing advice.

Here are our top selections for the best battery monitors, depending on all of these factors:

  • If you’re on a limited budget and want something simple, the Bayite RV battery monitor is a good option. Even at its incredibly low price, you get a respectable current range of 0 to 100 amps and a voltage range of 6.5 to 100 volts. While it is on the tiny side, its LCD display provides four distinct sorts of readings for maximum adaptability.
  • The Victron Energy BMV-712 RV battery monitor has a 5-year guarantee, which makes it more trustworthy than most other alternatives. This battery monitor also has Bluetooth connection and can be used with a smartphone to get smart readings, with a current range of 0 to 500 amps and a voltage range of 6.5 to 70 volts.
  • If you’re intending to put a lot of batteries in parallel inside your RV, the Renogy RV battery monitor might be a good choice. This is because you receive a very large voltage range of 10 to 120 volts, as well as an equally high current range of 0 to 500 amps, without having to pay a premium for it. Renogy also comes with a three-year guarantee, making it excellent for long-term use.

RV Battery Monitor videos Suggestions From Youtube

How to Monitor RV Batteries On A Budget. – All About RV’s
Ep. 197: Why You Need a Wireless RV Battery Monitor | DIY how-to upgrade – Grand Adventure
Updating Your Battery Monitor And Why You Should! – All About RV’s

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Written by Bob Matsuoka
Bob Matsuoka is a blogger and founder of RVing Beginner blog. He has been blogging for over five years, writing about his own family’s RV adventures, tips for people who are interested in buying an RV or taking their family on an adventure by RV.