The BT100W is a battery tool that gives users the efficiency of a plug-and-play tool and the robust data analysis of a high-tech digital tester.
Users can tap into the device’s app for more advanced functions, enhanced data analysis, and view or save battery test reports in a separate folder.
The versatility of the BT100W even extends into the number of languages the tool operates in.
- TOPDON BT100 car battery diagnostic tester can work on all 12V 100-2000 CCA batteries including regular flooded, AGM flat plate, AGM spiral, as well as GEL batteries, with multiple applications for a wide range of vehicles, such as car, truck, marine, boat, motorcycle and more.

- Smarter Battery Tester and Analyzer
- It displays accurate results in seconds, including battery test, health status test, and diagnosis of cranking and charging systems, cranking test, charging test and other functions. It is your private battery doctor.
- TOPDON BT100 Battery teste will provide the technician, professional and DIYer with critical information about the battery health by identifying battery and charging problems quickly and accurately. And the self-diagnosis will save your time and money.

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Battery testDisplay SOH (State of Health), SOC (State of Charge), Voltage, Current, Rating and Analysis Results readable on the backlight LCD screen and 3 smart LED indicators. |
Boot testThe cranking test helps you test and analyze the starter motor, including cranking voltage and cranking time to check the starter motor works properly or not. |
Load testTest different parts of the charging system including generator, rectifier, rectifier diode, etc. to get a reliable charging volts value. |
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Design for mannequinsTired of professional but annoying specifications? BT100 battery tester's unique smart LED indicators directly show the battery status whether it is good, bad or need to recharge. |
Get accurate results in seconds.High precision amplifier and calibrated by professional instruments give you reliable results in seconds. |
Easy to use.Even a beginner can use this battery tester to analyze any 12V battery easily, it gets everything about the battery, such as voltage, charging, cranking power. |
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In-Vehicle and Out-of-VehicleSupports both in-vehicle and off-vehicle testing without the need to remove the battery from the vehicle. |
Working temperatureNot afraid of extreme weather conditions, TOPDON BT100 battery tester working temperature is -20°F to 65°F, storage temperature: -20°F~70°F. |
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