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Best Solar Battery Tester – Our Top 5 Reviews 2021

If you’re using a solar battery to power your car or several appliances at home, you need a reliable tester to tell you if the battery needs maintenance or replacement. This diagnostic tool will help you assess the performance of your solar battery so it’s always ready for use.

In this article, you’ll learn everything about the best solar battery tester and how to pick the right one for you. We’ll also review some of the top-selling products on the market, so you can find a tester that suits your needs.

Reviews of the Best Solar Battery Testers

Using a solar battery tester tells you about the right time to replace your battery. It’s definitely better than running out of power without any other alternative. If you’re currently using a solar battery, then you need to check our top picks.

#1 SOLAR BA7 100-1200 CCA Electronic Battery and System Tester

SOLAR BA7 100-1200 CCA Electronic Battery and...
  • Test 12 volt batteries from 100-1200 CCA, operating range from 7-15V
  • Tests multiple battery types, including Conventional, AGM, Gel Cell,...
  • LED indication of battery and system pass or fail (as applicable),...

This battery tester is very easy to use as it displays information to guide throughout the whole testing process. It’s an excellent choice for experienced users as well as beginners because it’s reliable and practical.

You can easily read data to tell you about the performance of your solar battery thanks to the 4-digit bright LED display. It’s perfect to use in low light conditions so you can always test the performance of your battery whenever you like.

It’s designed to work with multiple types of batteries so it’s a versatile option that you can use with any 12V-battery with an operating range between 7 and 15V. This solar battery tester works with conventional, AGM, gel, and deep cycle batteries.

The tester examines batteries with capacities between 100-1200 CCA. It provides performance assessment information and pass/fail evaluation of your system enabling you to make the right decision.

Because it’s lightweight, weighing 9.6 ounces, you can easily take it wherever you want or keep it in a small box for a quick assessment. Reading the LED display might be a bit difficult in very bright sunlight.

What We Like

  • Versatile battery tester to work with various battery types.
  • Guides you through the whole testing process.
  • Bright LED for low light conditions.
  • Presents information about battery performance and pass/fail results.
  • Lightweight and portable.

What We Don’t Like

  • The screen is hard to read in bright light.

#2 ANCEL BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery Tester

ANCEL BA101 Professional 12V 100-2000 CCA...
  • Small compact design, scan faster and indicates test results directly....
  • Much wider test range (100-2000 CCA) and more accurate compared to its...
  • Provides check the Alternator's charging and Starter's cranking...

Getting precise test results is easy thanks to this compact and portable battery tester. It’s designed to work with several types of batteries, telling you how much battery life is left by measuring the Ohm resistance. Moreover, it does the test quickly to save time.

This diagnostic tool will minimize the guessing as it tells you directly whether the battery is good or needs to be replaced. It measures the performance in milliseconds so it’s an excellent choice for a vehicle, solar power system, boat, and all types of other batteries. Moreover, it stores the test results so you can easily print them later for maximum convenience.

Providing a wide test range between 100-2000 CCA for 12V- batteries, this is considered good value for money as you can use it with several models on the market. It can be used to measure the starter’s cranking conditions as well as the alternator’s charging status for automotive maintenance. Moreover, there’s a setting that allows you to monitor the vehicle charging system.

Using this battery tester is convenient thanks to the backlight LCD. You can adjust the brightness and contrast so it’s easy to read in all light conditions. It features a 3-feet cable and flexible housing so you shouldn’t worry about it hitting something or falling to the ground.

You can easily access the menu and scroll the functions using four buttons. It weighs 5 pounds so it’s portable. However, if you’re using it to test an automotive battery, you’ll have to enter the battery’s amp-hour. The owner’s manual is quite confusing.

What We Like

  • Compact and practical battery tester for various applications.
  • Works with different types of batteries.
  • A special system to assess the vehicle’s charging system.
  • Backlight LCD with adjustable settings.
  • Stores the data so you can print them later.

What We Don’t Like

  • You’ll need to do some calculations before you can use it on some batteries.
  • The manual is confusing.

#3 SOLAR BA327 20-2000 CCA Electronic Battery and System Tester with Printer

SOLAR BA327 20-2000 CCA Electronic Battery...
  • Tests 6 and 12 volt batteries from 40-2000 CCA, operating range from...
  • 6 and 12V battery testing, 6, 12 and 24V system testing
  • Tests multiple battery types, including Conventional, AGM, Gel Cell,...

Serious users don’t mind paying the extra cash for the best performance. If you’re depending on a solar battery to power your house, then you need to invest in a reliable battery and system tester like this one. It’s more expensive than other models on the market, but it will provide quick and precise results every time.

It works on 6 and 12V-batteries with an operating range between 1.5 and 30V. The wide range of 40-2000 CCA makes it more versatile than other testers on the market. Moreover, it can work with 6, 12, and 24V system testing so it covers all your needs inside and outside the house.

Regardless of the batteries you have, this one won’t let you down as it’s designed to provide accurate results. It works on charged and discharged batteries.

Thanks to the built-in printer, you’ll be able to keep your data for future comparison. This enables you to assess the performance of your batteries over a long period. It features a 10-feet cable so you can use it with any battery and comes with a backlit LED display for easy reading in all light conditions. It weighs 5 pounds.

Unless you’re serious about testing the performance of your batteries, you’ll find that this tool is significantly more expensive. It’s designed for professionals and those who want to check system performance on a regular basis.

What We Like

  • Practical tool to measure the performance of various types of batteries.
  • Works on charged and discharged batteries.
  • Built-in printer.
  • Backlight LED display.

What We Don’t Like

  • More expensive than other models.

#4 FOXWELL BT705 Battery Load Tester

FOXWELL BT705 12V 24V Car Battery Tester...
  • 【BATTERY ANALYZER】 BT705 battery tester designed for 12 V or 24 V...
  • 【CAR BATTERIES DOCTOR】 Adopt the advanced conductance testing...
  • 【CRANKING AND CHARGING SYSTEM TEST】 BT705 tester displays the...

This battery tester is designed for all 12 and 24V batteries. Whether you have Gel, AGM, flooded or deep cell batteries, this is the best tester to pick. It’s slightly more expensive than other testers but measures batteries with a capacity range between 100 to 2000 CCA.

Featuring a copper wire and clips, this tester provides reliable readings and a stable communication for precise results. It assesses the performance of the battery quickly, measuring the actual cold cranking amps and the remaining battery life.

After it evaluates the performance of the battery, it displays the readings on a backlit LCD for easy reading in all light conditions. It can measure the battery status in 2.5 seconds so you can always know whether your battery is ready or not.

With a 7.8-foot cable, this tester can be used anywhere inside and outside the house. It’s an excellent choice for measuring a solar battery or a car battery.

Although it can measure 12 and 24V charging systems, it doesn’t work on 6 and 24V batteries alone. It weighs 3 pounds but features an ergonomic design that allows you to use it in multiple settings. It comes with a strong and practical packaging case for easy transport and convenient storage. However, it’s not the most budget-friendly option.

What We Like

  • Reliable diagnostic tool that works with various battery types.
  • Accurate readings.
  • Assesses performance in 2.5 seconds.
  • Backlit LCD.
  • Convenient case for storage.

What We Don’t Like

  • Doesn’t work with 6 or 24V batteries.
  • More expensive than other models.

#5 Schumacher BT-100 100 Amp Capacity Battery Load Tester

Schumacher Battery Load Tester and Voltmeter...
  • TRUSTED TESTING: Test load, battery condition, and starter motor draw;...
  • COMPLETE DIAGNOSIS: Delivers a complete charging system diagnosis for...
  • SIMPLE OPERATION: Top-mounted rocker switch for ease of use and highly...

For an affordable price, you can measure 6V and 12V batteries up to 1000 CCA so it’s an excellent choice for a simple solar system. The test load is 100A for 12V batteries and 50A for 6V batteries. It tests the loads and provides reliable data about the whole system.

Unlike other tools, this one features an analog display instead of a digital one. This might not be the most practical way to read data about the battery’s performance. However, for the price, it provides a comprehensive picture to evaluate the performance of the whole system.

This is a durable tester featuring a steel and baked enamel case that lasts for long. The shock-resistant case is also properly ventilated to keep the device cool and guarantee accurate readings every time you use it. The wear-resistant super grip battery clamps are color-coded. This helps you use the testing tool if you’re a beginner or don’t have much experience with assessing the performance of your batteries.

It weighs 2 pounds so it’s not difficult to move around, although there are other lighter models on the market. For easy operation, there’s a top-mounted switch making it a reliable option for first-timers.

The cable is 1-foot long so it’s shorter than what you can find on other models. The display can be slightly hard to read.

What We Like

  • Budget-friendly and durable battery tester.
  • Ventilated case to protect the device.
  • Accurate readings for several batteries.
  • Easy to use for beginners.

What We Don’t Like

  • Features an analog display that is slightly harder to read.
  • Cables are short.

What is a Solar Battery Tester?

This is an electronic device that evaluates the status of a battery. Some devices are extremely simple as they can measure the charge of the battery. More complicated models provide a comprehensive evaluation that assesses the battery’s ability to accumulate the charge.

Using a solar battery tester, you can tell whether your battery needs to be replaced before it stops functioning all of a sudden. If you’re depending on a solar system to power your house or truck, buying a solar battery tester is a must so you don’t end up with a bad battery that doesn’t function.

How Does a Solar Battery Tester Work?

The tester’s job is to measure the current coming out of the battery. The reading is displayed on a screen for easy reference. More complicated devices interpret these readings to evaluate the performance of the battery and the system as a whole.

With Lithium batteries, the readings might be inaccurate so you should always choose a special battery tester to see how the battery is operating. Rechargeable batteries can give false readings even when they’re half charged. This means that your results won’t be accurate unless your battery tester is specifically designed for this purpose.

How to Choose the Best Solar Battery Tester?

While selecting a solar battery tester, there are a few factors to consider.


The display allows you to monitor and evaluate the performance of your solar battery whenever you want to. It should be easy to read and comprehend, providing reliable information to help you evaluate the status of the battery.

Most displays give digital readings that are quite easy to comprehend. Some of the more affordable models feature analog displays that might not be as accurate.

If the font is small or the display isn’t clear, you won’t be able to get a clear idea of how the battery is performing. Moreover, you might misinterpret some of the readings.

Backlit LCDs are practical because they can be read in various light conditions. However, they’re more expensive so the tester might be out of your budget range.


The portability of the tester depends on its size, weight, and length of the cables. A compact and lightweight model is definitely more portable so you can use it to measure the battery powering your house, truck, car, or any other appliance.

Lightweight models aren’t always robust. You should find a balance between durability and portability.

A long cable doesn’t limit your options as you can move the battery tester around. This, however, adds to the overall weight of the device and makes it more difficult to store.


While you’re shopping for the best solar battery tester, you should think about what it can do. Some battery testers are very simple so they can only measure the voltage or amperage. Some models are more complicated and can be used to measure various functions. They can evaluate the whole system status for more comprehensive results.


Make sure that your tester is designed to provide accurate information about the type of batteries you’re using. Most solar power systems use Lithium batteries as they’re extremely reliable, more compact, and last for longer. However, they’re more expensive than other types of batteries.

Lead-acid batteries are more suitable for homeowners who want to go off the grid and store lots of energy for later use. They’re more affordable although they have a shorter lifespan.

When you’re shopping for a solar battery tester, you need to make sure that it’s compatible with the batteries you use in your solar power system. There are several versatile options that work with multiple battery types for maximum convenience.


1. What is a solar battery system?

A solar battery storage system is a power system that works by reserving energy to be used later. The panels are exposed to sunlight and they transform the energy into a solar battery. The stored electric energy is later consumed when the sun is down.

Solar battery systems are widely used as a clean source of energy in residential and commercial buildings. During peak times when there’s a shortage in electric supply, a solar system can power your entire house without adding cost to your energy bill.

2. Can I use a solar panel without a battery?

Yes, you can. However, this is not recommended. The battery reserves the energy so it can be used for later. Without a solar battery, you won’t have energy backup to power your devices and appliances.

3. Can you overcharge a battery with solar energy?

Yes, this can happen and ruin your solar battery for good. However, this is what charge controllers are for. These devices are used to prevent overcharging and damage to your battery.

In most cases, you won’t need a charge controller if you’re working with a simple solar system. Nevertheless, if you’re depending on a system to power your house, you’ll need a reliable battery charge controller to maintain its status.

Wrap Up

Whether you’ve been using a solar power system for years or have recently decided to switch to this clean energy source, buying the best solar battery tester can save you a lot of hassle. This reliable and practical tool measures the capacity of the battery and provides an overall performance assessment so you can tell if you need to maintain or even replace the battery.

We chose the SOLAR BA7 100-1200 CCA Electronic Battery and System Tester as our top choice as it’s compatible with various battery types. It provides reliable readings that will help monitor your solar power system without adding a significant extra cost.

Using a solar power system without a reliable tester means that you’ll always be at risk of your batteries malfunctioning when you need them the most. Luckily, most testers are designed to provide accurate readings within seconds so you can easily assess the performance of the batteries whenever you want to. Wouldn’t you hate being at the store during this covid pandemic and realizing there is no more toilet paper and you cant check your phone on where to find more because its dead! Go out and get one!!!

Robert Laswell
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Last update on 2021-06-24 / Affiliate links / Images from Amazon Product Advertising API

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