Best Otc Load Tester Reviews & Alternatives

A otc load tester can be a great investment for those who want to simplify their work needs. With the increase in standing desk popularity, many people looking for the best otc load tester feel overwhelmed by the wide range of options available. From traditional otc load tester  to convertible models, the dizzying slew of choices might make you feel the need to take advantage

What are the features that make the best otc load tester? These compact and convenient otc load tester are easy to install and easy to use at the same time. And then there’s the price! Below, we’ll run through the average otc load tester cost of some of the most popular types, so you can get a good idea of where to start with your budget.

The reasons you should trust us

We recommend products in each review using an intensive research process, spending hours combing through the best available models on Amazon. For a product to make our list of top picks, it must hold a solid sales record on Amazon, have consistently positive customer reviews, and offer unique features, among other factors. After narrowing down our recommendations, we conduct additional research to ensure that the products meet our standards. Once we conclude the research phase, we craft a well-rounded, user-friendly article that includes our recommended products and additional information to help homeowners like you make the right purchase. The following key factors are considered when analyzing:

  • The quality of otc load tester
  • Each product’s design
  • How it’s built
  • Price comparison
  • How durable [replace-keyword] is
  • Features
  • Cost-effectiveness
  • Versatility
  • Product usability
  • The functionality of the otc load tester
  • Performance of the products
  • Product dimensions and weight
  • Return policy and warranty, and more.

Best otc load tester & Features

1. OTC 3181 130 Amp Heavy-Duty Battery Load Tester

Features :

  • Ergonomically designed heavy-duty battery tester provides accurate reliable test results in just 10 seconds
  • Includes uniquely designed clamps for a positive grip on top and side post batteries and an extra large
  • Extra large display with zero adjust
  • Works on both 6V and 12V batteries
  • Side tabs for on-tool clamp storage and back brackets for tool storage on wall or toolbox

Additional Info :

Item Dimensions
Height 4.20078739729
Width 10.99999998878
Length 8.99999999082
Weight 0.0030423792156

2. OTC 3180 100 Amp Battery Load Tester

Features :

  • 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
  • Works on both 6 Volts and 12 volts batteries

Additional Info :

Item Dimensions
Height 3.6
Width 7.4
Length 14
Weight 3

3. OTC 3182 130-Amp Digital Battery Load Tester

Features :

  • Produce more accurate results with this 130 ampere digital battery load tester
  • Compact lightweight design is rugged enough for everyday testing of 6 and 12 volt batteries
  • Large easy-to-read display
  • Comfortable easy-to-grip ergonomic handle
  • With a width of 22 inch this dolly handles tire diameters of 24 inch to 36 inch

Additional Info :

Item Dimensions
Height 4.90157479815
Width 8.59842518808
Length 13.7007873876
Weight 0.0030423792156

4. OTC Tools 3183 Digital Battery Tester

Features :

  • OTC’s Digital Battery Tester tests and analyzes 12 volt, 125-1400 CCA batteries by measuring multiple parameters within the battery to deliver fast, accurate, and reliable results
  • A live voltmeter allows easy starting/charging system testing; bright, 4 digit LED display indicates battery’s good/bad status, voltage, and available CCAs
  • Utilizes cost effective conductance test technology for accurate testing, at a value price point, that delivers quick, 1-second, initial results
  • This versatile tool detects and identifies loose leads, detects bad cells, compensates for cold temperatures, and includes a surface charge warning
  • Measures multiple international units: CCA, IEC, DIN, BCI, and EN and comes complete with a soft sided carrying case to keep the tool protected when not in use

Additional Info :

Item Dimensions
Height 4
Width 8.5
Length 10.26
Weight 1.64

5. OTC 3636 Heavy-Duty Coil Cord Circuit Tester

Features :

  • Designed for testing electrical circuits and locating shorts grounds and open circuits
  • Features include 12 foot heavy-duty coiled cord and checks both 6 and 12 volt systems
  • Ergonomic slim designed clear handle with a bright red slim style replaceable bulb
  • Positive contact-molded strain relief
  • High current clips with protective boots open to an extra wide 5/8 inch for ease of hook-up

Additional Info :

Item Dimensions
Height 1.99999999796
Width 10.09842518655
Length 2.29921259608
Weight 0.00220462262

6. OTC Bosch 1699501320 BAT 120 Battery and Starter/Charger System Tester for use with Bosch ADS 325/ADS 625 Encore/Evolve Diagnostic Tools

Features :

  • The BAT 120 is a wireless battery and starting/charging system tester designed for use with Bosch ADS 325 and ADS 625 diagnostic tools as well as OTC Encore and Evolve version 2.10 or higher diagnostic tools
  • The BAT 120 sends data directly to an app pre-installed on the Bosch and OTC tools, saving time and putting more vehicle diagnostic information on the scan tool
  • Tests 6V and 12V automotive batteries (regular and enhanced flooded, AGM, EV, and start-stop) with as little as 1.5V and generate emailable health reports
  • Perform 12V and 24V charging and starting system tests; test battery charging system to gauge alternator health and troubleshoot charging issues
  • Features: emailable test results, Bluetooth wireless, 3 LED indicators (blue: connected, green: power, red: trouble), and 20-inch cable with durable clamps

Additional Info :

7. OTC 3633 Mini-Coil Cord Circuit Tester

Features :

  • The standard in electrical system testing – this basic and simple to use tester provides the capability to locate shorts, grounds, and open circuits
  • Needlepoint stainless steel probe allows easy back probing and piercing; special threaded probe comes with screw on alligator clip for additional versatility
  • Bright red, high intensity /slim style replaceable bulb
  • 12 foot long, red, heavy-duty coiled cord lead; ergonomic, slim design clear handle
  • For use with 6 volt and 12 volt systems

Additional Info :

Item Dimensions
Height 1.70078739984
Width 8.55118109364
Length 2.85039369788
Weight 0.00220462262

8. OTC 4619 Professional Battery Hydrometer , Red

Features :

  • Hydrometers test the state of charge of a battery cell by measuring the specific gravity (density) of the electrolyte – the greater the concentration of sulfuric acid, the more dense the electrolyte becomes
  • OTC’s Professional Battery Hydrometer displays a batteries specific gravity (density) on an easy-to-read float with a scale ranging from 1.100 to 1.300
  • Built in thermometer indicates what must be added or subtracted from the float reading to arrive at an accurate specific gravity reading for each battery cell
  • Flexible rubber tip offers easy access to even hard to reach battery cells while the battery is still in the vehicle
  • Glass and rubber construction; One year limited warranty

Additional Info :

Color Red
Item Dimensions
Height 0.59842519624
Width 14.29921258384
Length 3.79921259455
Weight 0.00220462262

9. OTC 3914 Battery Wireless Tester/Charger

Features :

  • Perform wireless battery and system tests directly from the OTC Encore and Evolve scan tools
  • Works on 6V and 12V automotive batteries – regular flooded, enhanced flooded, AGM, EV and start-stop
  • Test battery charging system to gauge alternator health and troubleshoot charging issues
  • 20-inch cable with durable clamps
  • 12V/24V charging/starting systems tests

Additional Info :

Item Dimensions
Height 2.5
Width 6
Length 9.5
Weight 1.1
Release Date 2017-08-01T00:00:01Z

10. OTC 3642-10 Replacement Bulb, (Pack of 10)

Features :

  • Replacement Bulbs
  • 10 pack of replacement bulbs for number 3642

Additional Info :

Item Dimensions
Height 0.8
Width 1.6
Length 3.5
Weight 0.05

Buying Guide for otc load tester

To help you buy the perfect otc load tester for your needs and requirements, we have mentioned some of the best otc load tester in this article. Not only that, but you can also learn about their differences as we have mentioned their major features and options.

To help you on your way, we’ve listed some questions you may want to consider before making any purchase.

  • Why do I want to buy this?
  • Do I need it or just want it?
  • Am I getting the best deal?
  • How often will I use it?
  • Can I pay cash for it?
  • Is it budgeted for?
  • Can I borrow it?
  • Can I get it used?

Although, if you still want to learn more about these otc load tester for buying the perfect one, we are here with a detailed buying guide just for you. Since this buying guide is related to otc load tester, you can find many major features and aspects related to otc load tester. Thus, you can easily choose the perfect one by going through this article until the end.


The otc load tester should last more than one use and hold up against normal wear and tear. We recommend reading the product description before purchasing otc load tester to ensure they’ll last a while. Additionally, pay attention to the wash instructions.


When choosing the best otc load tester, you must consider its versatility.  It is important to make sure that your unit can be used for performing different tasks.

For instance, if you need to use your unit for other purposes in any other materials, getting the one with a versatile design will be an ideal option for you.


The brand is another crucial factor you must consider while looking for the otc load tester.  You will find both well-known and unknown brands in the market. If you are looking for a reliable and durable model, I recommend getting one from a well-known brand.

They use high-quality materials and the latest technology to manufacture their products.  As a result, you will be able to get a durable and long-lasting otc load tester.

Ease of Use

While choosing the otc load tester, you must ensure that it is easy to use.  It is important to get the one that comes with a user-friendly design.


As a result, you will be able to use your unit for a long time without facing any discomfort.  Also, getting the one that comes with an easy-to-use design will help you save a lot of time and effort.


The price is another essential factor you must consider while looking for the otc load tester.  You need to get the one that fits your budget perfectly.

Getting the one that comes at an affordable price will help you save a lot of money.  However, you must ensure that it meets your needs and requirements perfectly.


The otc load tester should be easy to carry for you. Therefore, consider the size, style, design, and all the other basic features to check for the actual portability of the device. Portability comes with comfort and ease, and you need to look for all the features to look for a suitable otc load tester.


The price of your otc load tester will depend upon its features and the overall quality. There are some inexpensive options in the market, but they may not have the best features.

The term ‘budget’ is broader because it completely depends on the user who wants to purchase the otc load tester. In this case, you can prepare a list of all the features you want to have in your otc load tester. Then, look for the product that comes with these features and works well.

After that, you should carefully check the prices of each air compressor machine on your list. This will give you a precise idea about the budget you need to prepare for the otc load tester you should go after.


It is important to consider your unit’s weight while working in congested areas. Getting a lightweight model will be ideal if you need to work regularly in difficult-to-reach places.

However, if portability is not your concern and you are looking for a durable model, you can go for the one with a little heavyweight.


The warranty of otc load tester is when the manufacturer offers free repairs or replacements for any damages that occur to the product.

You need to check the warranty of otc load tester before buying it, as you don’t want a product that doesn’t come with a warranty.

At the same time, you also need to remember that some otc load tester come with a longer warranty than others, so select one with a long warranty if possible.

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