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OTC 3181 130 Amp Heavy-Duty Battery Load Tester Black

4.7 4.7 out of 5 stars 676 ratings

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Purchase options and add-ons

Brand OTC
Power Source Battery Powered
Style Tool
Color Black
Item Weight 1.38 Grams

About this item

  • 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
See more product details

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$64.96
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From the manufacturer

OTC Otawonna Tools Equipment HD Specialty Service Professional Technician Diagnostic
OTC A Proud Heritage Since 1925 Quality Tools and Equipment Professional Service Specialty Tool

Proud Heritage of Manufacturing Quality Tools and Equipment
Steve Cross

Drop Forge Operator of 40 years

“I’M PROUD OF THE OTC BRAND. I’M MAKING A BRAND THAT’S BEEN AROUND A LONG TIME. ANY GUY THAT’S WORKED ON A CAR HAS HEARD OF THE OTC BRAND, AND THEY PROBABLY HAVE USED IT.”

At OTC, we're proud of our heritage and those that have built it with us.

OTC - Proudly Serving Professional Technicians for Almost a Century

What We Like Most About Technicians is Their Work Ethic

Technicians are problem solvers who aren’t afraid of sweat on their brow and grease on their hands. They provide high quality services that demand high quality tools. When they need a reliable tool, they know they can depend on OTC tools to deliver.

Owatonna Tool Company for the long haul — proudly designing and manufacturing American specialty service tools, diagnostics and shop equipment since 1925.

  • Automotive Specialty Tools
  • Heavy Duty Truck Service Tools
  • Heavy Duty Shop Tools
  • Motorcycle Tools
  • Electronic Diagnostic Tools
  • and so much more
OTC Shop Equipment Power Train Lifts Stands Cranes Presses DPF Equipment
OTC Tools Special Service Tools automobiles car truck motorcycle
OTC Professional Diagnostics Encore Scan Tool

Product Description

Applying an industry-leading 130 amp load, this ergonomically designed, heavy-duty battery tester provides accurate, reliable test results in just 10 seconds. It includes uniquely designed clamps for a positive grip on top and side post batteries and an extra large, easy-to-read display.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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OTC 3181 130 Amp Heavy-Duty Battery Load Tester Black


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What's in the box

  • Amp Heavy-Duty Battery Load Tester
  • Product guides and documents

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    OTC 3181 130 Amp Heavy-Duty Battery Load Tester Black
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    Price$64.96$69.99$29.99$27.99$28.99-44% $44.46
    List:$78.72
    Delivery
    Get it as soon as Monday, Apr 8
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Customer Ratings
    Easy to read
    4.6
    4.4
    3.8
    4.1
    3.6
    4.6
    Easy to use
    4.6
    4.3
    3.9
    4.5
    4.3
    4.6
    Accuracy
    4.4
    4.3
    3.8
    4.2
    3.6
    4.6
    Sold By
    Amazon.com
    Amazon.com
    AUTOUTLET
    kai heng US Store
    AUTTGINN-US
    Amazon.com
    power source
    Battery Powered
    Battery Powered
    Battery Powered
    Battery Powered
    Battery Powered
    Battery Powered
    measurement type
    Voltmeter
    Voltmeter
    Voltmeter
    Voltmeter
    style
    Tool
    Modern
    Digital
    Voltage
    Enamel
    weight
    1.38 grams
    1 pounds
    1 pounds
    2 pounds

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    676 global ratings

    Customers say

    Customers like the quality, performance, ease of use, and accuracy of the electric circuit testing device. For example, they mention it's reliable, works well to load test batteries, and has good instructions on set up. That said, some complain about the heat it produces.

    AI-generated from the text of customer reviews

    98 customers mention90 positive8 negative

    Customers are satisfied with the quality of the electric circuit testing device. They mention it's a very well made tool, heavy duty, and reliable. The battery clamps are not flimsy, and the display is clear. Overall, customers find the product to be worth every penny.

    "Great for the price" Read more

    "...While it is made in Chain its has a very well made feel to it...." Read more

    "...Received unit and was pleased with build quality and accurate voltage readings comparable to my digital multi-meter...." Read more

    "...However, the build quality seems good. The readout is easy to see and read...." Read more

    75 customers mention69 positive6 negative

    Customers are satisfied with the performance of the battery load tester. They mention that it works well to load test their batteries, has no problems so far, and is easy to use. Some say that it's the best battery load test device out there.

    "Best battery load tester out there. Simple and to the point!" Read more

    "...I have used on about 10 batteries now and it gave me great performance." Read more

    "Works well however they were cheap on the cable lenth.hard to use on semi trucks" Read more

    "...Again the tester worked perfectly delivering a 130 amp load to the battery and reading an accurate voltage drop and a "good" result on the display..." Read more

    40 customers mention38 positive2 negative

    Customers find the electric circuit testing device easy to use and understand. They say it's simple yet functional, and the handle design accommodates easy one-hand operation. Customers also appreciate the large meter and clear, well-written instructions. Overall, customers are satisfied with the quality and functionality of the product.

    "Best battery load tester out there. Simple and to the point!" Read more

    "...One hand operation via the handle Quick and easy" Read more

    "...However, the build quality seems good. The readout is easy to see and read...." Read more

    "Small , & very easy to use. Stores nicely under the seat" Read more

    14 customers mention14 positive0 negative

    Customers are satisfied with the accuracy of the electric circuit testing device. They mention that it is durable, works with accuracy, and is precise with the voltage, load, and charging readings. They also say that the build quality is comparable to a digital multimeter, and the readout is more accurate than the OTC test analog needle. Customers also say it's a great diagnostic tool and the zero setting works great.

    "...perfectly delivering a 130 amp load to the battery and reading an accurate voltage drop and a "good" result on the display for the battery...." Read more

    "...Received unit and was pleased with build quality and accurate voltage readings comparable to my digital multi-meter...." Read more

    "...(typical 12.6 volts at rest before starting), because the readout is more accurate than the OTC test analog needle, but the OTC is close enough to..." Read more

    "...It was correct. Not much more I could expect really. It's accurate. A little bulky, but the handle makes it very easy to hold...." Read more

    8 customers mention8 positive0 negative

    Customers are satisfied with the size of the electric circuit testing device. They mention that the reading on the unit is large and clear, and it's convenient to store it hanging on the wall. Some say that the meter is large in size, so it'd be good for big trucks.

    "...This unit addresses both needs. I was surprised at how large and heavily constructed it was, but am pleased at its obvious durability...." Read more

    "...The meter is large in size, so it's better to store it hanging it on the wall than storing it in your toolbox." Read more

    "...Good for big trucks" Read more

    "...Overall if you just need something simple, and compact to use at your house for a quick check this is for you! No mechanic degree required to use it!!" Read more

    5 customers mention5 positive0 negative

    Customers find the handle on the load tester easy to hold and maneuver. They also say the instructions are clear and well written. Customers also mention that the product is a little bulky, but the handle makes it very easy to handle. Overall, customers are satisfied with the maneuverability of the electric circuit testing device.

    "...It's accurate. A little bulky, but the handle makes it very easy to hold. The housing can get hot to the touch, but that's to be expected...." Read more

    "Pros: Easy to maneuver. The instruction are clear & well written. HD battery clamps not flimsy at all...." Read more

    "Nice tool!Easy to hold and use. Great to have around so I don't have to guess at battery life...." Read more

    "...with the product description that it is heavy duty and the feel of it is very substantial...." Read more

    9 customers mention0 positive9 negative

    Customers are dissatisfied with the heat produced by the electric circuit testing device. They mention that it gets hot and is a huge heat sink.

    "...It getting warm is not a product deficiency, it just that way it works, no way around it, all load testers will produce heat...." Read more

    "...This is a resistive tester, so the back cover gets very hot.This is a well built product and I highly recommend it." Read more

    "...The housing can get hot to the touch, but that's to be expected. It's basically a huge heat sink...." Read more

    "...It get's freaking hot! It get's so hard that one might get 2nd degree burns if you aren't too careful." Read more

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    Top reviews from other countries

    Translate all reviews to English
    jorge
    5.0 out of 5 stars Lo rometido
    Reviewed in Mexico on March 10, 2022
    Tim B.
    5.0 out of 5 stars Great value
    Reviewed in Canada on March 26, 2020
    One person found this helpful
    Report
    Cliente de Amazon
    5.0 out of 5 stars otc muy buena calidad
    Reviewed in Mexico on March 30, 2018
    5starbyer
    5.0 out of 5 stars the second one works well - so did the first ...
    Reviewed in Canada on May 24, 2017
    One person found this helpful
    Report
    TechGuy
    5.0 out of 5 stars Five Stars
    Reviewed in Canada on April 9, 2017
    One person found this helpful
    Report