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NEIKO 40510A Car Battery Tester | 100 AMP 6 and 12 Volt Automotive Load Checker | CCA Analyzer

4.4 4.4 out of 5 stars 3,275 ratings

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Car Battery Tester

Purchase options and add-ons

Brand NEIKO
Power Source Battery Powered
Style Car Battery Tester
Color Black
Min. Operating Voltage 6

About this item

  • [CONVENIENT]: Whether for the home, garage, or at the shop, the Neiko battery load tester is portable and DIY compatible for diagnosing and applying load to car, van, boat, truck, SUV, motorcycle, RV and other automotive 6 & 12 volt batteries.
  • [QUALITY]: Tester body features protection-encased analog voltage meter display, anti-sparking internal switchgear and external handle grip at top for portable carrying.
  • [DURABLE]: Copper clamp connectors feature red positive and black negative rubber grips to easily designate test clip placement on battery terminals.
  • [PERFECT FOR MECHANICS]: Load on test switch (hold load for maximum of 10 seconds) draws battery current to simulate starter motor draw for accurately and easy to read determining battery condition.
  • [ACCURACY]: Technical specifications: Fixed load current of 100 AMP, 100 AMP load test for 12V batteries up to 1000 Cold Crank Amps, 50 AMP load test for 6V batteries up to 1000 CCA. Voltage accuracy of ± 0.2V.

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Product details

  • Package Dimensions ‏ : ‎ 12.76 x 7.56 x 3.7 inches; 2.43 Pounds
  • Item model number ‏ : ‎ 40510A
  • Date First Available ‏ : ‎ February 26, 2018
  • Manufacturer ‏ : ‎ Neiko
  • ASIN ‏ : ‎ B07B3R4TS6
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.4 4.4 out of 5 stars 3,275 ratings

Product Description

Suitable for 6 and 12 volt batteries. Fixed load current - 100 AMP. 100 AMP Load Test for 12V batteries up to 1,000 CCA. 50 AMP Load Test for 6V batteries up to 1,000 CCA. Hold load on 10 seconds, with test cycle of 10 seconds per test with 1 minute cool down, and 3 tests within 5 minutes maximum.


From the brand

What's in the box

  • Battery Tester
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    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    3,275 global ratings

    Customers say

    Customers like the performance of the electric circuit testing device. They say it works well and is simple to use. They also appreciate the readability, and value. However, some customers have issues with the reflective tape adhesion and the rpm readings. They mention that it doesn't stick to anything and comes off within 1 minute. Customers are mixed on accuracy, quality, and size.

    AI-generated from the text of customer reviews

    278 customers mention212 positive66 negative

    Customers like the performance of the electric circuit testing device. They mention that it works well, is simple to use, and is accurate with its measurements. Some say that the update meter works fine. Overall, customers are satisfied with the performance and functionality of the product.

    "Overall, this is a nice instrument. I sort of suspected that my midi lathe actually turns a bit slower than the speed chart indicates...." Read more

    "Works great easy to use" Read more

    "Update meter works fine, problem was the reflective tape." Read more

    "...has been around for ages, but it does what is advertised and it works well" Read more

    107 customers mention87 positive20 negative

    Customers like the readability of the electric circuit testing device. They mention that it is super easy to use, simple, and intuitive. The onboard laser makes it easy to take readings, and the initial reading is generally pretty accurate.

    "...The onboard laser makes that easy. It's a bit picky about the angle, too. That may be more a function of the lighter surface of the spindle...." Read more

    "This meter is easy to use.very helpful tool to diagnose battery and charging issues.." Read more

    "...at roughly I think it’s a great purchase would highly recommend very simple to use and the batteries actually last quite some time review is a..." Read more

    "Easy to use. Gives a pretty accurate battery condition. Note: First time use will produce a small amount of smoke from tool vent slots...." Read more

    103 customers mention88 positive15 negative

    Customers like the value of the electric circuit testing device. They say it's a good product for the money, easy inexpensive device for determining rpms of a drill press, and works well at a low cost.

    "...No probes to mess with and it’s affordable. If you don’t need to check for specific ohm or volt measurements this is the ticket...." Read more

    "...It should last for years. Nice when something is cheap and works good. This one is a winner!" Read more

    "Best overall great price" Read more

    "Works as intended. I’m satisfied with the quality to price ratio. Use it for small engines and it works fine." Read more

    100 customers mention69 positive31 negative

    Customers are mixed about the accuracy of the electric circuit testing device. Some mention that it seems pretty accurate compared to other expensive shop tools, and produces consistent readings that are accurate. However, others say that both readings were wildly off, it was not accurate enough for what they wanted to do with it, and the readings kept changing a lot.

    "...It has no problem sensing the speed when the jaws are installed." Read more

    "...Retested speeds one week later and tape was still in place. RPMs were still in spec. I would recommend this as a good purchase...." Read more

    "...Finally got the batteries installed and found that the light source is not aligned correctly...." Read more

    "...The accuracy seems to be reasonable, although I doubt it is as accurate as the specs state...." Read more

    99 customers mention47 positive52 negative

    Customers are mixed about the quality of the electric circuit testing device. Some mention it's very easy to use, has a pretty decent resistive element, and has stable results. However, others say that it showed 2 dead and 4 weak batteries when under load.

    "...Feels very cheap, but after I replaced the garbage battery it came with, it DID read, but it was all over the place...." Read more

    "This meter is easy to use.very helpful tool to diagnose battery and charging issues.." Read more

    "Came with dead battery's , thought it was broke, had to buy my own battery's..." Read more

    "...Don't think I'll trust the actual gauge, otherwise it's a pretty decent resistive element for high amperage...." Read more

    14 customers mention5 positive9 negative

    Customers are mixed about the size of the electric circuit testing device. Some mention that the measurements seemed reasonably accurate, and the device is just the right size. However, others say that it's slightly big for confined spaces, and that the batteries provided were too big to fit into it.

    "...advice to use my penknife to open it, that worked, but the battery supplied was too big to fit into it...." Read more

    "...The batteries fit fine and it is perfectly accurate...." Read more

    "...Not huge, but bigger than necessary. The display is right where you must hold the unit, so you have to struggle to see the reading...." Read more

    "...They did fit, but the batteries were interference fit. Really now, how lame...." Read more

    31 customers mention0 positive31 negative

    Customers are dissatisfied with the rpm of the electric circuit testing device. They mention that it would not give a reading, it struggled to give good readings with slower RPMs, and the display shows nothing. The sensor appears to cause the tachometer not to read properly, and you have to struggle to see the reading. Some customers also report that the reading is all over the place and that they can never get the same reading twice.

    "The 9V battery must be good quality. Unit would only display 0 RPM after two months of very little use...." Read more

    "...however that you got to use a decent size piece of the tape or it will not read it" Read more

    "...My only quibble is that the device displayed 0 rpm when it actually wasn't getting a signal; I would prefer that it have an indicator of no signal." Read more

    "...display is right where you must hold the unit, so you have to struggle to see the reading...." Read more

    21 customers mention6 positive15 negative

    Customers have issues with getting the reflective tape to stick to the surface. They mention that it comes with it doesn't stick to anything and comes off within 1 minute. Some customers also mention that the screen glue is weak and the plastic screen cover had come unglued.

    "...on automotive engines, but not on small engines as the reflective tape strips keep flying off the flywheel...." Read more

    "Update meter works fine, problem was the reflective tape." Read more

    "...It is very easy to use and comes with plenty of reflective tape." Read more

    "This worked well, but I had issues getting the reflective tape to stick and stay on the surface...." Read more

    Works fine. Tested accuracy on a drill press
    5 Stars
    Works fine. Tested accuracy on a drill press
    So far so good. I put a piece of the reflective tape on the drill chuck and gave it a test. Handheld tachometer is within one RPM of my drill press readout so I am happy.
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    Top reviews from the United States

    Reviewed in the United States on March 3, 2024
    Style: TachometerVerified Purchase
    3 people found this helpful
    Report
    Reviewed in the United States on March 8, 2024
    Style: TachometerVerified Purchase
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    5.0 out of 5 stars Works fine. Tested accuracy on a drill press
    Reviewed in the United States on March 8, 2024
    So far so good. I put a piece of the reflective tape on the drill chuck and gave it a test. Handheld tachometer is within one RPM of my drill press readout so I am happy.
    Images in this review
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    One person found this helpful
    Report
    Reviewed in the United States on September 22, 2023
    Style: TachometerVerified Purchase
    Reviewed in the United States on March 17, 2024
    Style: Car Battery TesterVerified Purchase
    Reviewed in the United States on March 17, 2024
    Style: Car Battery TesterVerified Purchase
    Reviewed in the United States on March 4, 2024
    Style: TachometerVerified Purchase
    Reviewed in the United States on October 31, 2023
    Style: TachometerVerified Purchase
    Reviewed in the United States on February 29, 2024
    Style: TachometerVerified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Abel
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on February 17, 2024
    Style: Car Battery TesterVerified Purchase
    Cliente Amazon
    5.0 out of 5 stars Excelente opción
    Reviewed in Mexico on December 22, 2023
    Style: TachometerVerified Purchase
    Dave R.
    5.0 out of 5 stars Satisfied
    Reviewed in Canada on August 11, 2023
    Style: Car Battery TesterVerified Purchase
    Cliente#1
    3.0 out of 5 stars Es un obd2 como los otros solo que con pantalla
    Reviewed in Mexico on March 27, 2023
    Style: Car OBD2 ScannerVerified Purchase
    Gary R. Frank
    5.0 out of 5 stars Simple and effective
    Reviewed in Canada on March 3, 2024
    Style: Car Battery TesterVerified Purchase