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Design for 12V Batteries

TOPDON BT100 car battery diagnostic tester can work on all 12V 100-2000 CCA batteries including regular flooded batteries, AGM flat plate, AGM spiral, as well as GEL batteries, with multiple applications for a broad array of vehicles, Such as a car, truck, marine, boat, motorcycle and more.

Smarter Battery Tester & Analyzer

Displays accurate test results in secondsincluding the battery test, the health status test, and the diagnosis of both starting and charging systems, cranking test, charging test, and other functions. it's your Private battery doctor.

Why you need a Topdon BT100 Battery Tester?

TOPDON BT100 Battery teste will provide the technician, professional and DIYer, with critical information about battery health status by identifying battery and charging problems quickly and accurately. And self-diagnose will save you time & money.

For better performance and accurate results, we recommend you to follow some tips before using.

1. Clean the rust or dirt on the battery terminal then test it.

2. Make sure the clamps connect correctly and tighten.

3. If the battery voltage is lower than 4V or battery capacity less than 50%, please test it after recharging your battery.

Note: BT100 battery tester is for 12 Volt batteries of 100 to 2000 CCA, and the lowest voltage that the BT100 can detect is 4V.


Battery Test Display SOH (State of Health), SOC (State of Charge), Voltage, Current, Rating, and the readable analysis results on the backlight LCD screen and smart 3 LED indicators.	Cranking Test Cranking test helps you test and analyze the starting motor including cranking voltage and the cranking time to check the starting motor works properly or not.	Charging Test Test different parts of the charging system, including generator, rectifier, rectifier diode, and so on for a reliable charging volt value.


Design for Dummies Tired of professional but annoying specifications? BT100 battery tester's unique smart 3 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 batteries easily, gets everything about the battery, such as voltage, charge, cranking power.


In -Vehicle&Out-of-Vehicle Support both in-vehicle and out-of-vehicle tests, no need to remove the battery from the vehicle.	Working Temperature No afraid of extreme weather, TOPDON BT100 battery tester working temperature: -20°C~65°C (-4°F~140°F), storage temperature: -20°C~70°C (-4°F~158°F).	support multiple languages Test results based on JIS, EN, DIN, SAE, and IEC Standards, support multiple languages, English, Russian, Spanish, French, Italian, German.

Battery Test

Cranking Test

Charging Test

Design for Dummies

Get accurate results in seconds

Easy to Use

In -Vehicle&Out-of-Vehicle

Working Temperature

support multiple languages