Qty:1
OTC 3181 130 Amp Heavy-Du... has been added to your Cart

Other Sellers on Amazon
Add to Cart
$43.22
+ $6.99 shipping
Sold by: ToolTopia
Add to Cart
$46.44
+ $8.04 shipping
Sold by: UnbeatableSale, Inc
Add to Cart
$46.36
+ $8.95 shipping
Sold by: ToolSource
Have one to sell? Sell on Amazon

Image Unavailable

Image not available for
Color:
  • OTC 3181 130 Amp Heavy-Duty Battery Load Tester
  • Sorry, this item is not available in
  • Image not available
  • To view this video download Flash Player
      

OTC 3181 130 Amp Heavy-Duty Battery Load Tester

by Sunpro
103 customer reviews
| 10 answered questions

List Price: $61.95
Price: $43.23 & FREE Shipping. Details
You Save: $18.72 (30%)
In Stock.
Ships from and sold by Amazon.com.
  • 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
17 new from $43.22
$43.23 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

OTC 3181 130 Amp Heavy-Duty Battery Load Tester + OTC 4619 Professional Battery Hydrometer + Plews 75-030 Auto Shut Off 2 Quart Capacity Plastic Battery Filler
Price for all three: $67.93

Buy the selected items together


Product Information

Technical Details
BrandSunpro
Item Weight1 pounds
Product Dimensions11.2 x 7.8 x 4.5 inches
Item model number3181
Manufacturer Part Number3181
  
Technical Specification
Additional Information
ASINB000O3U2UQ
Best Sellers Rank #4,856 in Automotive (See top 100)
Shipping Weight3 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableJuly 7, 2004
  
Warranty & Support
Warranty, Parts: Parts

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
Feedback
 Would you like to give feedback on images?
 

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. Features and benefits include 130 amp load capacity for accurate results, 0-16 volt range, uniquely-designed clamps for both top and side post batteries, extra large display with zero adjust, works on both 6V and 12V batteries, ergonomic handle design, side tabs for on-tool clamp storage and back brackets for tool storage on wall or toolbox.

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

67 of 70 people found the following review helpful By -1 on August 17, 2011
Verified Purchase
I wanted a 130-amp load tester because--at least per the manufacturers' claims--these units are more accurate than 100-amp models. The OTC 3181 looks exactly like the Actron CP7614 (except for brand markings on the front), but is far less expensive.

The OTC 3182 is a digital 130-amp load tester for just a bit more money than this OTC 3181, and it has a couple more features (an alternator test lead and a ripple detection light), but I tend to have better luck with analog products over digital products, in terms of reliability. Also, when you use the OTC 3182, it shows you just a number (the voltage reading), and you're on your own to interpret it. The OTC 3181, on the other hand, has "replace/weak/good" markings (in red/yellow/green), which make it very easy to interpret the results, without having to remember or think about what voltage range is acceptable during testing.

I was a little surprised at the size of the unit when I opened the box. It's a bit large! The clamps are large and strong. The overall feel is quality.

When testing a battery (unless it's a totally dead battery), the unit will heat up very significantly. Through the vent holes in the unit, you can actually see metal coils getting red hot, like little heater elements. That's how the load is applied--in the form of heat.

Testing is easy: With the vehicle and the key both off, attach the negative clamp to the negative post of the battery, then attach the positive clamp to the positive post of the battery. (People with mechanical experience may think this is backwards, since you normally attach the positive clamp first. I assure you, I am quoting the manufacturer here on the order advised.
Read more ›
1 Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
17 of 18 people found the following review helpful By W. Chow on April 4, 2012
Verified Purchase
My first battery load tester and I like it so far. It's clear and precise with the voltage, load and charging readings.

The only problem is that I feel that the cables are far too short as you have to bend downwards with the tester when it's connected to the car battery for testing.

One last thing, do not touch the back part of this testing when you're doing a load test. It get's freaking hot! It get's so hard that one might get 2nd degree burns if you aren't too careful.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
9 of 9 people found the following review helpful By David K. Hill on March 21, 2012
Verified Purchase
I have used this tester twice now and it seems to function well. I agree with some reviewers that perhaps the cable length could be slightly longer, but I had no problem attaching them to the battery terminals. Be aware that the unit gets hot at the back, where it is vented, as it draws current during the test. I only drive my car every other week or so and only for a few miles, so I am constantly having to trickle charge my battery. This at least gives me an idea of its state of charge. I note that it can also be used to test the charging system but I have not tried that feature as yet.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
9 of 9 people found the following review helpful By James Story on January 8, 2012
Verified Purchase
The tester work very good. It save me from buying six new batteries. I have a golf cart that has 6 batteries. The shop tried to sell me a new set of batteries. After checking with the otc 3181 tester I found that the batteries were not bad. I located a bad connection. After repairing the connection my batteries charged fully. I am very satisfied with otc 3181.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
17 of 20 people found the following review helpful By D. rice on May 5, 2011
Verified Purchase
Easy to use and seems to work well. It appears to be a very well made tool. Seems heavy duty as the title says. If stored in a dry/safe place, see no reason why this wouldn't last for many years to come. The results it said, was verified with my multi-meter and my bosses "LED only" battery testing multi-meter.

Only negative thing is it don't give you the approximate CCA of a battery. (as the ones at the Walmart garage do). It basically takes off the surface charge of the battery (by running a built in heater), then you measure the output of the battery. Then you start the car/truck, and see if the charger is adding the correct amount of charge to the battery.

But since it don't say it gives you the CCA in the description, not taking off any stars. It does what it says it will do, and seems very well made.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
7 of 7 people found the following review helpful By AR Woods on June 5, 2012
Verified Purchase
WOW !, Heavy in Weight, Heavy Duty Superb Construction, Extra Heavy Duty Spring Clamps, Rigid Construction, easy to use and understand .
Seems like it will last a long time.

I was disappointed that it is not made in the USA----Another made in China Product .
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
5 of 5 people found the following review helpful By J. Bennett on February 23, 2014
Verified Purchase
This load-portion works fine... but the needle reads a few volts below what it should read. I've used the circle "zero-er" to try to calibrate it but it still doesn't read correctly. Used several other devices to verify this one was the one mis-calibrated. The "zero-er" doesn't even have full range of calibration (it goes up about 2 volts and down about 2 volts, but won't calibrate any further). I'm disappointed, but since the load-test function still works (have to just pretend it is reading 2 volts higher) I'm not going to bother with returning it.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again
5 of 5 people found the following review helpful By GoGator5555 on May 19, 2012
Verified Purchase
Very easy to use and understand. Consumer Reports recommends load testing your battery yearly after the battery is over two years old. I test my battery quarterly to insure I am not surprised with a dead battery. The meter is large in size, so it's better to store it hanging it on the wall than storing it in your toolbox.
Comment Was this review helpful to you? Yes No Sending feedback...
Thank you for your feedback. If this review is inappropriate, please let us know.
Sorry, we failed to record your vote. Please try again

Set up an Amazon Giveaway

Amazon Giveaway allows you to run promotional giveaways in order to create buzz, reward your audience, and attract new followers and customers. Learn more
OTC 3181 130 Amp Heavy-Duty Battery Load Tester
This item: OTC 3181 130 Amp Heavy-Duty Battery Load Tester
Price: $43.23
Ships from and sold by Amazon.com