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BT-100 Battery Load Tester and Voltmeter - 100 Amp

4.6 4.6 out of 5 stars 3,864 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Battery Testers by Schumacher

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Purchase options and add-ons

Brand Schumacher
Power Source Battery Powered
Style Enamel
Color Black
Item Weight 2 Pounds

About this item

  • TRUSTED TESTING: Test load, battery condition, and starter motor draw; 50 Amp load test for 6V batteries and 100 Amp for 12V batteries; tests up to 1000 CCA
  • COMPLETE DIAGNOSIS: Delivers a complete charging system diagnosis for batteries in cars, small trucks, RVs, motorcycles, ATVs, boats, and lawn tractors
  • SIMPLE OPERATION: Top-mounted rocker switch for ease of use and highly visible meter readings
  • HEAVY-DUTY CLAMPS: Super-grip, heavy-duty, color-coded battery clamps
  • STEEL CASE: Durable steel case with baked enamel shell and rubber-insulated carrying handle; ventilated to stay cool
See more product details

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Schumacher BT-100 Battery Load Tester and Voltmeter - 100 Amp
Schumacher BT-100 Battery Load Tester and Voltmeter - 100 Amp
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Price-44% $44.46
List:$78.72
$69.99$29.99$28.99$27.99$23.99
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Easy to use
4.6
4.3
3.9
4.3
4.5
4.3
Accuracy
4.6
4.3
3.8
3.6
4.2
4.0
Easy to read
4.6
4.4
3.8
3.6
4.1
Sold By
Amazon.com
Amazon.com
AUTOUTLET
AUTTGINN-US
kai heng US Store
CRLITSIY
power source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
measurement type
Voltmeter
Voltmeter
Voltmeter
Voltmeter
style
Enamel
Modern
Digital
Voltage
weight
2 pounds
1 pounds
1 pounds

From the manufacturer

BT100 Battery Tester and voltmeter
BT-100 BATTERY DIAGNOSTIC TOOL

TEST 6V/12 BATTERIES AND YOUR VEHICLE’S CHARGING SYSTEM

Quickly and easily test 6V and 12V batteries and your vehicle’s charging system with the Schumacher BT-100 100A 6V/12V Battery Load Tester and Voltmeter. The BT-100 is ideal for use with motorcycles, lawn tractors, ATVs, cars, light trucks, boats, and RVs.

The Schumacher BT-100 is the diagnostic tool every mechanic needs

EASY TO OPERATE

EASY TO OPERATE

Connect the tester, follow the steps for your desired diagnostics, and read the clear-view meter.

Retro Design

RETRO DESIGN

Schumacher Electric has been manufacturing high-quality and innovative automotive tools since 1947.

MULTIPLE TESTING OPTIONS

MULTIPLE TESTING OPTIONS

With the BT-100 you can perform 6V battery load testing, 12V battery load testing, charging system diagnosis, and starter motor testing.

WIDE COMPATIBILITY

WIDE COMPATIBILITY

The BT-100 is compatible with 6V and 12V batteries up to 1000 cranking amps.

BT-100 Battery Tester and Voltmeter

YOU CAN RELY ON SCHUMACHER

KEEP IT ROLLING WITH SCHUMACHER ELECTRIC’S LINE OF AUTOMOTIVE TOOLS


Professional mechanics and automotive enthusiasts trust Schumacher Electric to provide high-quality and innovative automotive power conversion tools and accessories. Since 1947, Schumacher has been designing and producing industry-leading power technology. Schumacher’s current range of products include EV chargers, traditional battery chargers, maintainers, jump starters, portable power stations, diagnostic tools, battery accessories, LED work lights, and more.

Quick Instructions

BT-100

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Customer Reviews
4.6 out of 5 stars
3,864
4.0 out of 5 stars
62
4.5 out of 5 stars
265
4.5 out of 5 stars
242
Voltage
6V/12V 12V 12V 6V/12V
Load Tester
Yes Yes No Yes
Alternator Tester
Yes Yes Yes Yes
System Tester
Yes Yes Yes Yes
Diagnostic Tester
Yes Yes No Yes
Display Type
Meter LED Display Digital Display Meter

Product Description

The Schumacher BT-100 Battery Tester quickly and easily tests 6V and 12V batteries up to 1000 CCA, as well as providing a complete charging system diagnosis. It’s Ideal for cars, small trucks, RVs, motorcycles, ATVs, boats, and lawn tractor batteries, making it a convenient general-purpose tester. Includes a top-mounted rocker switch for simplified operation, heavy-duty color-coded battery clamps, easy to read meter, baked enamel steel case, and a comfort-grip, rubber-insulated carrying handle.

Product information

Technical Details

Additional Information

Warranty & Support

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Schumacher BT-100 Battery Load Tester and Voltmeter - 100 Amp


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What's in the box

  • Schumacher BT-100 Battery Load Tester and Voltmeter - 100 Amp,Black
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    3,864 global ratings

    Customers say

    Customers like the performance, quality and readability of the electric circuit testing device. For example, they mention it works well, is easy to use and understand, and is well constructed. Some appreciate the accuracy. That said, some complain about the heat and smell. Opinions are mixed on the battery condition.

    AI-generated from the text of customer reviews

    598 customers mention573 positive25 negative

    Customers are satisfied with the performance of the electric circuit testing device. They mention that it works well as advertised, has no issues, and is easy to use. Some say that it's a handy tool to have when diagnosing mechanical issues.

    "...looking for an inexpensive battery tester, this one is simple, and works well. Yes, it gets hot during testing...." Read more

    "Great tester. Worked just as advertised, and easy to use...." Read more

    "...Load Tester has a bit of a clunky old fashioned build, but seems to work well...." Read more

    "...Works flawlessly from the first, and I use this unit daily in my lawnmower shop - it is a huge time-saver over "test by elimination" methods, and..." Read more

    274 customers mention229 positive45 negative

    Customers like the quality of the electric circuit testing device. They mention it's a solid tester, well constructed, and does a good job for voltage testing under load. The unit is good sized and good enough to perform diagnostic checks in the field. Customers also say it'll truly test your batteries and is easy to test and read voltage. They also say the results are clearly visible on the dial and it'd be useful for discharge test of car batteries.

    "...as a digital meter I have but it was certainly good enough to perform diagnostic checks in the field...." Read more

    "...” for its intended use and under load tests it was easy to tell which batteries were good and which was beyond recovery...." Read more

    "...Saved me some money on an otherwise good battery. Well-made and the gauge is easy to read. Manual could be a little better." Read more

    "...It also can test the charging system and starter motor. This is probably the best $30+ I have spent in a long time...." Read more

    216 customers mention208 positive8 negative

    Customers find the electric circuit testing device easy to use and understand. They appreciate the clear instructions booklet and the simple design. Customers also say the results are clearly visible on the dial and the device has all the info they need to interpret results.

    "If you are looking for an inexpensive battery tester, this one is simple, and works well. Yes, it gets hot during testing...." Read more

    "Great tester. Worked just as advertised, and easy to use...." Read more

    "...Its easy to use and well worth having in your shop." Read more

    "Still working perfectly after many months.Easy to use." Read more

    188 customers mention183 positive5 negative

    Customers are satisfied with the value of the electric circuit testing device. They mention that it is well worth the price, easy to use, and has clear instructions. Some say that the device is dead under a load, but still works well. Overall, most are happy with their purchase and recommend it to others.

    "...resistance circuit computerized battery tester, this unit is well worth the investment...." Read more

    "...design being purely mechanical and is also reflected in the economical price...." Read more

    "Great price . Works perfectly as designed. Would definitely recommend." Read more

    "...With having some solar power this gadget is a must and the price point was great. Now I need a good functional Hydrometer...." Read more

    54 customers mention43 positive11 negative

    Customers like the accuracy of the electric circuit testing device. They mention that it has fairly accurate indications on the meter, the readings were consistent, and it's solidly built. They say it'll check your battery and alternator with accuracy right out of the box.

    "...This tester is accurate. I have used it against my digital tester with the same results." Read more

    "...It was accurate and all functions worked as they should." Read more

    "...Otherwise it is functional and has fairly accurate indications on the meter as received compared to my external DC volt meter and clamp-on DC ammeter..." Read more

    "I found the voltmeter was not as accurate as a digital meter I have but it was certainly good enough to perform diagnostic checks in the field...." Read more

    55 customers mention33 positive22 negative

    Customers are mixed about the battery condition. Some mention that the battery is good, while others say that it indicated that a particular battery was weak. The meter serves well for car batteries, electric vehicles, and lawns. However, some customers also mention that it failed.

    "...Its easy to use and well worth having in your shop." Read more

    "...Seems to work as specified. Handy tool to have. Batteries don’t last. Hot and cold are hard on batteries...." Read more

    "...-saver over "test by elimination" methods, and has successfully tested several dozen batteries and going strong...." Read more

    "...It did indicate a need for a battery replacement which was confirmed upon a commercial batter evaluation." Read more

    53 customers mention3 positive50 negative

    Customers are not satisfied with the heat produced by the electric circuit testing device. They mention that it starts heating up pretty quickly, and that it creates light heat and smoke. Some say that it's a glorified resistive heating coil with a meter on it.

    "...Yes, it gets hot during testing. That is how it applies a load to your battery, by using an internal heating element." Read more

    "...Gets pretty hot" Read more

    "...Gets hot and dime smoke may come out of the Unit, but this Is normal. Just be carefull from which área you grab it while in use." Read more

    "...This does generate heat. Which is why they have the less than 10 second warning on load testing. So one doesn’t completely fry the unit...." Read more

    49 customers mention0 positive49 negative

    Customers are dissatisfied with the smell of the electric circuit testing device. They mention that it does smoke a bit when first used, and this is from the oil that's in the case. The instructions say it will smoke on first few uses as it burns.

    "...Gets hot and dime smoke may come out of the Unit, but this Is normal. Just be carefull from which área you grab it while in use." Read more

    "...It will smoke when new, it will also smoke after sitting for a while, it will get very hot to touch, this is all normal. This tester is accurate...." Read more

    "...there are vent holes because the housing does get hot and smoke does come out if you switch the load on for the whole 10 seconds...." Read more

    "...Yes, it did smoke on the 1st use and it gets very hot...." Read more

    12 Volts battery test
    5 Stars
    12 Volts battery test
    Good product. Done 2 test for my car's 12 volts battery. CCA and charging.
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