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Top 20 Best Electronic Load Tester Reviews Comparison

We all know that the best electronic load tester is one of many out there. That’s why we’ve taken 75442 reviews from top experts and organized them according to our rankings for you. 

We know how hard it is to find a great electronic load tester, which is why our team went through the whole research process and put up this list for you. These are just some of their favorites!

We have been exhaustive in our search for the perfect electronic load tester of 2025. If quality matters most, then check this list: 

Bestseller No. 1
MakerHawk Electronic Load Tester - USB Load Tester 150W 200V 20A Resistor Adjustable Constant Current Battery Capacity Tester Module Intelligent Dischar
  • Prevent burning warning: when the input voltage battery and large power test, access must be beforeusing two current adjustment knob counterclockwise to the minimum to zero, then the access, accordingto the priority according to current power to slowly adjust current knob, must not instantly transferred infull, so there are excessive instantaneous power load discharge tube burnt huge risk! Please use thespecial attention to this point, thank you!
  • Two power supply methods: 1. DC6-12V DC5.0 power supply; 2. DC6-12V Micro USB power supply.The body discharge power cannot exceed 150W, otherwise there is a risk of burnout.
  • 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 button Long all data (mAh, Klitschko, 00: 00: 00); 2. Fast button twice capacity reset (mAh); 3. Fast button three power reset (ㅁ);4. Fast button Four time reset (00:00:00); 5. Fast button five settings auto standby, Discharge count down regularly; 6. No load output No load, fast seven key, And current zero zero current, Environmental temperature Accurate calibration.
  • 150W power refers to: In accordance with the power calculation formula P = UI (power = voltage x current); 10V input Approximately 18A discharge current 20V input Approximately 9A discharge current 30V input Approximately 6A discharge current.
Bestseller No. 2
MakerHawk Battery Load Tester - 180W 200V 20A USB Load Tester 4-Wire System Adjustable Constant Current Voltage Discharge Lithium Battery Capacity Tester Electronic Load Tester
  • 2.4" Large Screen Battery Load Tester: Featuring a high-definition color screen, this electronic load tester provides clear and precise readings. It offers comprehensive parameter, settings and operations, including voltage, current, power, capacity, electricity, temperature, discharge resistance, time-limited discharge and stop voltage, etc., to ensure accurate and reliable results.
  • Multi-Device Compatibility & Safety Features: This battery capacity tester supports discharge aging tests for a wide range of devices, including chargers, cables, power banks, batteries, and power adapters. It has intelligent safety protection such as overload, overcurrent and high temperature protection, real-time monitoring of status makes it safe and reliable.
  • Four Discharge Modes & App Compatibility: The USB load tester supports constant current, constant power, constant resistance, and constant voltage modes. It is compatible with Android and iOS apps, as well as PC BT and wired connections, providing versatile testing options.
  • High Precision & Upgraded Four-Wire System: Utilizing a four-wire connection, this voltage tester ensures accurate voltage measurements unaffected by wire resistance and its measurement accuracy is comparable to that of large professional instruments. It is also compatible with two-wire connection.
  • Powerful Performance & Intelligent Cooling: This lithium battery tester has a high voltage of 200V, a high current of 20A, and a high power of 180W. Equipped with an intelligent temperature-controlled colored light fan, strong airflow and low noise, it can extend the service life and support continuous operation of long-term discharge or aging tests.
Bestseller No. 3
Eyes.sys Electronic Load Tester, USB Load Tester, 180W 200V 20A Battery Capacity Tester Constant Current & Constant Voltage, 4 Modes, Intelligent Discharge Resistance Power Tester
  • 4 operating modes - constant current / constant voltage / constant power / constant resistance, plus auto generation of data report & 2.4” HD color large screen
  • 3 intelligent safety protections to monitor the discharge status in real time
  • External wired NTC thermometer to realize dual temperature measurement inside and outside
  • Can test the charging speed and quality of a variety of charging cable and data cables
  • Flexible input wiring interface design to support more DIY connections and extend the functions
Bestseller No. 4
KKnoon 150W 20A Adjustable Constant Current Electronic Load 2.4inch TFT Color Display 4 Working Modes USB Lithium Battery Capacity Monitor Tester Discharge Meter
  • ✔️This product is a direct current CNC electronic load, with a maximum power of 150W and a maximum load current of 20A. Support test the capacity of power battery.
  • ✔️2.4inch TFT color screen, with voltage, current, power, electricity, capacity, internal resistance, load, operating mode, OVP, OCP, OPP, stop voltage, time limit discharge display function.
  • ✔️It has four working modes design, constant current mode, constant voltage mode, constant power mode and constant resistance mode.
  • ✔️Voltage, current and power overrun protections can be set; stop discharge voltage and discharge time can be set.
  • ✔️Power supplying temperature can be monitored by an external NTC sensor.
Bestseller No. 5
Rigol DL3021 Programmable DC Electronic Load,DC 150V/40A,200W Total Power,15kHz Highest Frequency,Readback Resolution 1mV/1mA
  • DL3021: single channel, DC150 V/40 A, total power up to 200 W
  • Dynamic mode: up to 15 kHz
  • Adjustable current rising speed: 0.001 A/μs to 5 A/μs
  • Min. readback resolution: 1 mV,1 mA
  • 4.3-inch TFT LCD, capable of displaying multiple parameters and states simultaneously
Bestseller No. 6
Single Channel Electronic DC Load Tester Battery Capacity Tester RS485/232 150V 40A US Plug (400W)
  • Automatic test function: with external I / O trigger signal, PASS, FAIL command, powerful interface friendly PC software support.
  • Protection function: With over voltage, over current, power supply, over temperature protection function, low voltage remote measurement function;
  • High precision and high stability: Optimized heat dissipation structure, high power density and digital control mode, higher precision, good stability, RS485, 232 communication interface, MODBUS protocol.
  • Load mode: Low CC, CV, CW, CR four basic load modes, low input or reverse connection protection and alarm, with multiple load online synchronous operation
  • Multi-test function: low 10 KHZ dynamic test function; low battery capacity test function; low battery internal resistance test function; low overcurrent protection point/time test function; low fan PWM control, power switch power supply 110VAC/220VAC switching use.
Bestseller No. 7
YERTAI Electronic Load Tester, ET5406A+ 200W Programmable DC Load Testers 20A 120V Battery Capacity Detector in Charger, Liner Power, Grey
  • 【ET5406A+ Single Channel Programmable Electronic Load Testers】provides 1mV/10mV, 1mA/10mA high resolution and precision with superior performance;Adopting LCD segment code screen with adjustable backlight;
  • 【Remote Control】Support Communication with computer via USB port, please ask supplier to acquire software and SCPI if need.
  • 【9 Common Testing Mode】CC, CV, CR, CP basic measurement modes,;Battery Test Mode, Dynamic Mode, Tran Test Mode,List Test Mode, Short Circuit Test;
  • 【Other functions】Provides overcurrent, overvoltage, overpower, over temperature protection, input polarity reverse prompt;
  • 【PACKAGING and AFTER-SALES】DC Electronic Load x1, output power cord x1, User manual x1; We provide ONE YEAR WARRANTY, please feel free to contact us if any question.
Bestseller No. 8
DROK USB Load Tester, Electronic Load Test Resistor Module 25W LD25 USB and Type C Interface Discharge Adjustable Constant Current 0.25A-4A Intelligent Temperature Control with Cooling Fan
  • What is it: it is a USB intelligent temperature control electronic load; with high power, high current, high voltage and intelligent control features.
  • Easy Opeartion: set the load to resume normal operation manually or automatically after releasing the protection condition; can freely set the boot state to be on or off by default; 4-bit led digital display; check the load voltage value / current value / power value; intelligent temperature control cooling fan; Precision adjustable potentiometer; Over-voltage protection / overpower protection / over temperature protection.
  • Protection Function: OVP overvoltage protection (25V-30V overvoltage protection, digital display OVP, permanent damage after more than 30V); OPP over-power protection (load temperature is greater than 80 °C, the device stops working, digital display OTP); OTP over-temperature protection (power greater than 25W, equipment stops working, digital display OPP).
  • Application: can provide 4A, 25V, 25W (3 values can not used over range) constant current test discharge task. The friendly human-computer interface and excellent performance indicators can meet the diverse testing needs. It is suitable for measuring the output current capability of the charger, using the bulk aging test of the charger factory, and measuring the quality of the Micro USB charging cable and the Type-C charging cable.
  • Note: the usb tester module has no reverse connection protection, the input polarity cannot be reversed, otherwise the product is permanently damaged and cannot be repaired.
SaleBestseller No. 9
Vastarry 180W DC Electronic Load Tester, USB Load Tester, Lithium Battery Capacity Tester, Color Screen Data Monitoring, Constant Current and Constant Voltage, etc. 4 Working Modes
  • 4 operating modes: CC-constant current operation; CV-constant voltage operation; CW-constant power operation; CR-constant resistance operation. There are three intelligent safety protections in the discharge detection process, which can monitor the discharge tube status in real time, which is safe and reliable. An external wired NTC thermometer can realize dual temperature measurement inside and outside.
  • 2.4-inch high-definition large color screen blue digital curve version of high-power electronic tube digital load meter. Intelligent temperature control color glare fan, high power, long life, durable cooling fan; 180W high power / 200V wide voltage / 20A high current, strong performance.
  • Support testing Android, Type-C cable, Mini and other wires, and display a variety of test data on one screen. By checking and killing, by testing various data cable/charger test/discharge aging/DC power adapter current, voltage, power and other parameters, the operation is simple and the test is convenient and fast.
  • 180W load discharge aging test, using intelligent temperature control light effect fan design, built-in large discharge tube, the temperature is maintained at about 50~80 degrees; easily test the voltage, current, capacity and other data of various power sources such as lithium batteries/USB chargers; Powerful, safe and reliable.
  • If there is any abnormality in the product, whether it is return or exchange, you can contact us first, we will reply you within 6 hours, we will be happy to solve it for you, thank you.
Bestseller No. 10
Electronic Load Tester 400W 150V 40A Programmable DC Battery Capacity Load Detector Constant Current Voltage USB Testers for Power Supply Switch Charger
  • Note: Providing complete after-service by factory after your purchase. Welcome for any question through Amazon Message!

  • {Operation}: Easy to operate and handle with 2.8 inches TFT screen(0-150 V, 0-40A, 0-400W)

  • {6 basic measurement modes}: Constant Current, Constant Voltage, Constant Resistance, Constant Power, CC+CV, CR+CR

  • {Function modes}: Provide Battery test, LED test, Dynamic test, Scanning test, List test, Battery/ Power supply internal resistance testing

  • {Communication}: Provide USB Port and device protection functions

How Do We Test Electronic Load Tester 

If you’re looking for an unbiased opinion on any product, we’ve got your back. Our reviews are rigorous and thorough – taking all factors into account including design, features, price-to something else that matters most in making an informed decision before purchasing one of these items!

Factors to Consider Before Purchasing Electronic Load Tester

What’s the point of a buying guide if you don’t know what factors to consider before purchasing products?

  • Satisfy your need
  • Features & Specifications
  • Quality & Durability
  • Brand Value
  • Customer Reviews & Ratings
  • Price
  • Customer Service

You may be wondering why you need to consider some factors about a product before purchasing. It’s because there are so many things that can go into making your decision, and knowing all of them upfront will help keep any surprises later on in life!

What’s The Best Place To Purchase Electronic Load Tester

Online shopping is the way of 2025, and if you want to make sure that your purchase will be an excellent one then there’s no better place than online. You’ll have access to so many more products in different shapes sizes colors flavors brands with unbeatable prices.

There are so many different options when it comes to choosing a new product, and we truly believe that you should do your research before making such an important purchase. The questions might include:

  • Should I buy a new, used or refurbished electronic load tester?
  • Do you really need the high quality electronic load tester there is?
  • What are must-have features for electronic load tester?
  • Best time to buy a electronic load tester?
  • What are the benefits of buying electronic load tester?
  • Why is it critical to invest in a good, particularly the best one, in today’s market?

In our opinion, investing in a good, high-quality product will make you feel confident about your purchase. You can tell that the company put effort into making sure it was top-notch and took their time with designing everything from packaging to graphics for marketing purposes because this makes them seem more reliable than competitors who don’t invest so much money on these things (especially if they’re cheap). Plus having quality materials ensures longevity which is always nice. 

Tips For Being A Smart Online Shopper

When shopping for a product online, be sure to read the reviews before making a purchase. This can give you a good idea of what to expect from the product and can help you decide if it’s the right fit for your needs. Additionally, be sure to check the return policy and shipping times before buying anything. This way, if you’re not happy with the product, you can easily return it without any hassle. And if you need the product quickly, you’ll know that it will arrive in a timely manner.

When looking for a product, be sure to compare prices from different retailers. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want.

These are just a few things to keep in mind when shopping for a product. By taking the time to consider your needs and doing your research, you can be sure you’re getting the best possible product for your needs. And if you have any questions, be sure to contact customer service or the retailer before making your purchase.

FAQs About Best Electronic Load Tester

What is More Important: a Good Product Or a Good After-sales Service?

When it comes to choosing a product, many people prioritize the quality of the product itself. However, after-sales service can be just as important, especially if something goes wrong with the product. So when it comes to choosing a product, it’s important to weigh both factors and decide which is more important to you. If quality is your main concern, be sure to choose a product that comes from a reputable brand and has good reviews. However, if you’re more concerned with after-sales service, be sure to choose a product from a company that offers excellent customer service. 

How to Save Money When Buying Online? 

When shopping for a electronic load tester online, there are a few things you can do to save money. First, be sure to compare prices from different retailers before making a purchase. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want.

Conclusion

We’re always looking to improve the way in which we give you access, so be sure not miss out on all of our great updates by visiting us online right now.

We’re here for you. We’ll help answer any questions or concerns about the product as long as they don’t involve technical details like how it works in a general sense! If there’s anything else on your mind, please let us know because someone will be happy to assist immediately-we want this process easy and breezy.

As a prospective buyer, it’s important that you research the product thoroughly before purchasing. There are many online forums where people can share their knowledge and experiences with different products in order to help guide your decision on what is best for yourself.

With our guide, you can find the best electronic load tester available on Amazon. We make use of Big Data and AI data to compile this list so it is highly accurate.

The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and looked at what buyers think about each product so that your buying experience will be satisfying.

 

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