Top 13 Best Battery Load Testers & Voltmeters (2021) Reviews [Guides]

When it comes down to picking any good battery load testers for your automotive battery rest assured the task is not an easy one but with the correct information and guide You too can choose the best battery loader to sustain your battery requirements while monitoring battery consumption ratings to provide accurate diagnostics.

In today’s article will review some of the best battery loaders in the market. We take you through the pros, the cons giving you insightful information on how to best select the best battery loader for your consumption needs.

The Best Battery Load Testers Reviews (2021):


1. Schumacher BT-100 100A Battery Load Tester and Voltmeter

1. Schumacher BT-100 100A Battery Load Tester and Voltmeter   Check Price on Amazon

The Schumacher BT-100 battery load tester comes equipped with a voltmeter that handily ensures users can monitor voltage spikes with ease. Can test batteries of 6 and 12 volts while offering a 50amp and 100 amp load test on 6 volts and 12-volt batteries respectively.

Users can diagnose charging systems on various devices, analytical information such as battery power level and status can be obtained with this device. The flexibility of the device that allows you to keep an eye out on battery status as well as the handy voltmeter that comes with. The Schumacher BT-100 load tester is the best of the best batter load testers in 2022.


  • Brand: Schumacher
  • Feature: 6 and 12-volt battery support with up to 100CCA
  • Gauge: Analog
  • Weight: 2 pounds
  • Dimensions: 3.5 x 6.8 x 15.1 inches
  • Easy to read analog meter
  • Can test battery conditions
  • Supports tests run on 6 and 12-volt battery
  • Precise load testing
  • Diagnosis of a charging system
  • Tends to overheat
  • Test failure occurrences are quite high when used incorrectly

2. ANCEL Professional BA101 Load Battery Tester

2. ANCEL Professional BA101 Load Battery Tester   Check Price on Amazon

The ANCEL battery load tester enables users to monitor the charge, voltage, and resistance for any 12 v battery. This pocket-friendly device comes in a slender exterior design that just screams miniature, making it a delight to carry around and transport with ease.

Along 3 feet cable accompanies the device and is proven useful in tough situations that may need a lengthy cable. The device works all digitally from the glassy looking LCD screen to the large buttons beneath. It’s easy to read and navigate.


  • Brand: ANCEL
  • Feature: 12 volts support
  • Gauge: Digital
  • Weight: 5 ounces
  • Dimensions: 9.5 x 7 x 2 inches
  • 3-feet cable
  • Battery saving as it doesn’t drain charge
  • Full diagnosis
  • Pocket-friendly
  • Portable and convenient to have around
  • Slim frame
  • Operating instructions may be difficult at first
  • No color variation

3. Foxwell BT705 CCA Battery Load Tester

3. Foxwell BT705 CCA Battery Load Tester   Check Price on Amazon

A powerhouse of true strength. The tester supports the use of 12 and 24-volt batteries while featuring car cranking and charging system support with an ample steadfast capacity of 100CCA and 2000CCA respectively.

Powerful to the grip and secure from fall damage. Large capacity ranging from 100 to 2000CCA is a point of interest when it comes to the BT705.


  • Brand: FOXWELL
  • Feature: 12 and 24-volt battery testing support
  • Gauge: Digital
  • Weight: 3 pounds
  • Dimensions: 13 x 3.2 x 9.1 inches
  • LCD screen
  • Grip
  • 12 and 24-volt car cranking/charging system
  • Bulky build and design

4. FOXWELL BT100 Pro Battery Analyzer & Tester

4. FOXWELL BT100 Pro Battery Analyzer & Tester   Check Price on Amazon

This battery load tester from tech mogul Foxwell features a cranking and battery charging systems test with a crystal clear LCD display to output the results. With a remarkable 3-second analysis speed it also capable of testing a wide variety of 12-volt batteries such as gel, flooded and both AGM spiral and flat plate batteries.

Aside from the fast analysis speed, the device features an aesthetic build and feel. Annotations on the screen are clear and concise hence readings can be read with accuracy


  • Brand: FOXWELL
  • Feature: Polarity connection misalignment safety measures
  • Gauge: Digital
  • Weight: 10.4 ounces
  • Dimensions: 6.7 x 2 x 6.7 inches
  • Clear LCD screen
  • Safety measures
  • Pocket-sized
  • Multi support
  • Quick three-second analysis
  • Language of the program is in Spanish
  • Non-detachable cables

5. SUNER POWER Digital 12V Automotive Car Battery Tester

5. SUNER POWER Digital 12V Automotive Car Battery Tester   Check Price on Amazon

Similar to the Foxwell BT100, this battery load tester by Suner power offers compatible to a wide range of battery types as well as size. However, it supports battery types such as a flooded battery, gel, deep cycle, and AGM battery.

The Suner power battery tester breathes out a retro vibe with its LED screen. Although outdated, something about it just makes running tests all the more technically fun.


  • Brand: SUNER POWER
  • Feature: LED screen, precise results
  • Gauge: Digital
  • Weight: 8.8 ounces
  • Dimensions: 10.5 x 7.5 x 2.5 inches
  • Reliable
  • Safe to conduct tests
  • LED screen
  • Battery diagnostics like status, and voltage
  • Instructions are not as clear nor structured

6. TT TOPDON Blue with Black AB 101 AB101 Automotive Tester

6. TT TOPDON Blue with Black AB 101 AB101 Automotive Tester   Check Price on Amazon

The device offers extensive coverage in testing for all automotive lead cranking batteries. The protective design of the device guarantees an aura of safety when handling it. One doesn’t need to fear it falling susceptible to damage from falls or work-related injuries


  • Brand: TT TOPDON
  • Feature: Cranking system test, multiple-languages
  • Gauge: Digital
  • Weight: 7 ounces
  • Dimensions: 7.4 x 0.3 x 5.9 inches
  • Support multiple languages like Japanese, English, German, French, and Russian
  • Compatible with a majority of batteries
  • Load test of 100 to 2000 CCA for 12V
  • Sturdy protective exterior design
  • Short cables
  • Cables are non-detachable

7. ANCEL BST500 Automotive Load Tester

7. ANCEL BST500 Automotive Load Tester   Check Price on Amazon

Designed for 12-volt batteries, the tester provides functionality in automotive, lawn, motorcycle and marine use. The external casing of the device is rugged more like rough so as to provide exceptional grip when handling it. Diagnostics can be run on car batteries without disconnecting them first.

While it’s easy to mishandle and even sometimes lose grip when handling these devices especially in a rowdy working environment, the BST500 comfortably provides grip without having to worry about dropping it.


  • Brand: ANCEL
  • Feature: Excellent grip
  • Gauge: Digital
  • Weight: 1.55 pounds
  • Dimensions: 1.55 pounds
  • Grip
  • Precise
  • 12-volt battery support
  • Supports a variety of battery types
  • Bulky
  • No color variation

8. LEICESTERCN Digital 12V Car Battery Load Tester

8. LEICESTERCN Digital 12V Car Battery Load Tester   Check Price on Amazon

This digital load tester by LEICESTERCN is a powerful tester with accurate diagnostic readings. The information returned is neatly aligned on the screen such that all readings can be read on one screen with ease.

Distinguished negative and positive clips make it easy to differentiate the two without having to go through trial and error. The well-insulated handles provide safety from any risk of electrocution no matter how mild.


  • Feature: Shake resistant, sturdy and portable
  • Gauge: Digital
  • Weight: 12.2 ounces
  • Dimensions: 10.2 x 7.1 x 0.8 inches
  • Durability
  • Longevity
  • Accurate readings
  • High-quality insulating treatment
  • Portable
  • Complex user interface

9. Kzyee KS21 12V Battery Load Tester

9. Kzyee KS21 12V Battery Load Tester   Check Price on Amazon

This compact battery tester offers compatibility with 9 and12 Volt batteries measuring from 100CCA and up to 1700. Its advanced testing technology makes it easy to analyze data like cold cranking amps, starting battery capacity, health state, starting and charging system.

The ability to check battery statuses of 9 and 12-volt batteries is an appealing factor in the Kzyee battery tester.


  • Brand: KZYEE
  • Feature: multi-voltage support
  • Gauge: Digital
  • Weight: 8 ounces
  • Dimensions: 9.3 x 6 x 0.8 inches
  • Simple and easy to use
  • Precise reading
  • Features 9 and 12-volt measurements and readings
  • Luminescent red proves to be quite displeasing to the eye
  • Bulky build
  • Not easily portable

10. LEYUTUEE 12V Automotive Battery Load Tester

10. LEYUTUEE 12V Automotive Battery Load Tester   Check Price on Amazon

Simple-to-use analyzer displays the basic know-how of what you need to know when it comes to the health of your battery. It’s boyishly large LCD screen makes it easy to read data and reading with precision.

The well polished and large screen blends well with the aesthetic black and yellow exterior paintwork. The device is easy to read off and looks good.


  • Brand: LEYUTUEE
  • Feature: 12v battery load tester
  • Gauge: Digital
  • Weight: 11.8 ounces
  • Dimensions: 10.2 x 7 x 1.8 inches
  • Aesthetic design
  • Precise readings
  • Handy button text
  • Clear screen
  • Battery clamps are smaller in size than other brands
  • Cables are non-detachable

11. KONNWEI KW600 Car load tester

11. KONNWEI KW600 Car load tester   Check Price on Amazon

Bring home the Konnwei KW600, an expert diagnostic tool with handy descriptive features that provide a wide range of testing. No longer waste time, money and effort searching for a mechanic, with the KW600, let it get the job done.

The on-screen user interface is a blast, so many options to scroll through. Quite descriptive and offers users insightful information as well as a setup guide.


  • Brand: KONNWEI
  • Feature: 12volts from 100-2000CCA support
  • Gauge: Digital
  • Weight: 13.6 ounces
  • Dimensions: 7.6 x 6 x 2.3 inches
  • In-depth screen options
  • High-speed accurate readings and results
  • Intelligent 2-inch LCD screen technology
  • Portable
  • Great exterior
  • Voltage graphing monitor
  • Doesn’t offer compatibility a majority of 12-volt batteries
  • Only limited to 12 volts

12. ANCEL BST200 12V Battery Tester

12. ANCEL BST200 12V Battery Tester   Check Price on Amazon

Works on 12V batteries from 100 up to 1100CCA, accurately provide measurements in 3 seconds. The ANCEL BST200 is truly a device of great craftsmanship with its bright red exterior color and shape. Curvy, can fit well on the palm and portable.

Looking at the device, measurements are produced almost instantly. The user interface is well adapt to a point that beginners can easily understand it.


Brand: ANCEL
Feature: Rapid and concise measurements
Gauge: Digital
Weight: 9.6 ounces
Dimensions: 4.1 x 3 x 0.8 inches

  • Quick measurements
  • Accurate readings
  • Portable
  • 12v Support
  • Classy design
  • Non-detachable cables
  • Battery cables could use more insulation

13. MEEARO Pro Car Battery load tester

13. MEEARO Pro Car Battery load tester   Check Price on Amazon

The Meearo battery tester provides sufficient, highly precise measurement with its cyber high tech look. With only three key buttons and a small luminous blue LCD screen.

Aside from checking resistance, the device can also monitor both loaded and unloaded voltage, ripple and charging system status.


Feature: Backlight LCD display
Gauge: Digital
Weight: 10.4 ounces
Dimensions: 8.1 x 5.9 x 1.3 inches

  • Tests a variety of battery types
  • Reliable
  • Concise results
  • Safe
  • Instructions are not detailed
  • Can be hard for beginners to grasp


Selecting the right battery load testers for you can be a bit of hustle especially when the list is endless. Ensure you make a selection based on preference, so if its portability, functionality or range you seek then our list of best battery load testers guarantees there’s something for everyone.

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