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The Best Load Tester of 2021

  Updated on 19 October, 2021

Generated From 25K+ Reviews!
SaleBestseller No. 1
Schumacher Battery Load Tester and Voltmeter - 100 Amp
  • TRUSTED TESTING: Test load, battery condition, and starter motor draw; 50 Amp load test...
  • COMPLETE DIAGNOSIS: Delivers a complete charging system diagnosis for batteries in cars,...
  • SIMPLE OPERATION: Top-mounted rocker switch for ease of use and highly visible meter...
  • HEAVY-DUTY CLAMPS: Super-grip, heavy-duty, color-coded battery clamps
Bestseller No. 2
MakerHawk Electronic Load Tester USB Load Tester 150W 200V...
  • Prevent burning warning: when the input voltage battery and large power test, access must...
  • Two power supply methods: 1. DC6-12V DC5.0 power supply; 2. DC6-12V Micro USB power...
  • Voltage measurement range: 0.00V ~ 200V, Current measurement range: 0.00A ~ 20A.
  • How to operate: Set the capacity, power, time using the Keystrokes method Reset:1. Reset...
SaleBestseller No. 3
KONNWEI KW208 12V Car Battery Tester, 100-2000 CCA Load...
  • 【Automotive Car Battery Tester】 As one of the most cost-effective product of KONNWEI,...
  • 【Display Overall Batteries Data】KW208 12V Battery Load Tester gives you the basic...
  • 【 >99.5% Accuracy】Thanks to KW208’s powerful STM-32 chip, it provides more than...
  • 【Plug and Play】 KW208 Battery load analyzer allows you to test batteries both...
SaleBestseller No. 4
OTC 3180 100 Amp Battery Load Tester
  • Convenient portable size and easy-to-read scales
  • Tests batteries on or off the car in just 10 seconds
  • Determines good/bad status with an extra-large display with zero adjust
  • Determines state-of-charge cranking and charging volts
Bestseller No. 5
ET5410 400W DC Electronic Load Tester, Programmable Single...
  • 【EASY TO USE】: 110V US Power Plug; 2.8 inch TFT LCD display; English and...


  • 【MULTIFUNCTIONAL MODES】: Battery test and LED test mode; Dynamic test mode;...

  • 【OTHER FUNCTIONS】: USB Communication Port; Support external trigger...

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Buyer's Guide: Load Tester

How to Choose the Right Load Tester

The Load Tester, otherwise referred to as a Kinetic Energy Detector (KED), is a device that measures the kinetic energy of an object based on its weight and size. This device is commonly used by engineers for the purpose of testing various components, such as springs, gears, bolts, etc. at industrial and scientific scales. A Load Tester can measure the forces developed by the tested load and also determine the maximum load. Thus, it provides valuable information for designing the right load-bearing structures.

The load tester is very useful for load testing in many other forms as well. It is widely used for measuring the voltage across electric circuits and various electronic circuits, which is useful for preventing short circuits and improving the efficiency of various appliances. It is also used for measuring the resistance that develops between metallic components of various sizes. Thus, this equipment helps you identify the amount of current flowing through any circuit easily.

The main advantage of using the battery load tester is that it does not require any type of external power source. These tools are designed so that they are extremely compact and lightweight. They can be conveniently attached to the circuit panels without any difficulty. They have a user-friendly interface that makes it easy for the user to operate it. If the problem is related to the alternator or battery, it will automatically bring about a test, just by turning on the power supply.

The load tester works with two major operational modes: direct and indirect. In the former mode, it traces the path of the current through the lead strip to the battery terminals. In the latter mode, it traces the path of the AC alternating current through the battery terminals and detects the amp ratings that develop in the battery terminals. The load test results can be displayed in many modes like percentage, voltage, mains intensity, Amps, Ohms, minimum and maximum.

To execute the load testing process easily, you need to load the load tester to a breadboard or other metallic surface and use a connecting cable. It should be connected across the terminals and when it shows any sign of starting to test, you should stop its action. This can be done in a few seconds. In order to execute the load testing procedure properly, the continuity test should also be performed. It will provide you with accurate data that will help you in detecting the faults.

There are many advantages of using the load tester for getting started with your work right away. By just following a few simple steps, you can get started with real-time measurements of the amperes, kilowatts, and amps. You can also get started with the measuring of voltage and current levels at the same time. This is very useful in cases when you need to measure multiple items simultaneously. It helps you to measure the amperes and volts while operating several devices.

The other advantage of using the load testing tool is that it provides you with an in-depth analysis of the circuit, which will help you to monitor the functioning of the circuit as well as the circuits within a complete range. The load testers have various options that allow you to choose between different types of probes. Some of these options include the resistive load testers, thermal load testers, and the magnetic load testers. The resistive load testers measure the current flowing through the circuit and the resistance level of the flow, while thermal and magnetic load testers measure the temperature, current, and resistance of the circuit.

For more information about the load testers, you can visit websites that provide you with detailed information on this product. There are different types of load testing tools available in the market. While some of them are suitable for simple loading purposes, there are load testers that are suitable for detailed inspection of electrical circuits. If you have not used a load tester before, you may find that the process is easy and hassle free. However, if you have never tried out this tool before, then you might want to consider some of the tips that will help you to get started with the task.