Car Battery Tester 12V Load Tester TOPDON BT100 Automotive Alternator Tester Charging Cranking System Digital Battery Analyzer

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Car Battery Tester 12V Load Tester, TOPDON BT100 100-2000 CCA Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car Truck Motorcycle ATV SUV Boat Yacht

TOPDON BT100 is a small compact design, scan faster and indicates test results directly. Even a beginner can use this unit to analyze any 12V batteries healthy, tells you everything about the battery: voltage, charge, cranking power, resistance test,and how much life is left in the battery (level of Ohm resistance). Give you data review,can test 12v lead-acid battery of multi gasoline or diesel types,including car,truck,motorcycle,atv,suv,boat,yacht,even golf cart,support regular flooded,Agm flat plate,Agm spiral,Gel and Efb battery.

Multiple Languages:

English, Russian, Spanish, French, Italian, German

Warranty & Update

2 Years Warranty & Lifetime Free Update

TOPDON BT100 Car Battery Tester 12V

Having your car’s battery unexpectedly die can really throw a wrench in your day. TOPDON BT100 is a cost-efficient method to test your battery, making sure it’s in good shape before you hit the road.

For various battery types:

Suitable for 12V lead-acid batteries. VRLA, GEL, AGM, EFB and Regular Flooded. Ideal to test batteries in cars, light trucks, RVs, motorcycles, ATVs, boats, and more.


1.Identify battery status Good,Bad or Replace 2.Check Battery Capacity – Cold Cranking Amps (CCA), DIN, EN and IEC information relative to battery rating. 3.Check Internal resistance value (Ohm) 4.Display battery life in percentage (%) 5.Battery Cranking Test, load test 6.Battery Charging Test, Ripple Test 7.Support battery ripple test and review test data

Battery Test

Battery Test displays SOH (State of Health), SOC (State of Charge), Voltage, Current, Rating, and the reliable analysis results on readable LCD screen for your reference. Regularly check your battery status for signs of weakness or erosion, keep a close eye on battery function you can fix potential problems before they happens.

Cranking Test

Cranking Test to Know the State of the Starting System Cranking voltage >10.5V,discharge performance good,no actions needed Cranking voltage 10V~10.5V,discharge performance not bad ,need recharging Cranking voltage 9.6V~9.9V,discharge performance bad,need replace Cranking voltage <9.6V,discharge performance very bad,need replace ASAP

Charging Test

1). Charging Volt: Normal – the generator output is normal, no problem detected; 2). Charging Volt: Low – check the drive belt of the generator and the connection between generator and battery, or follow the manufacturer’s suggestion to eliminate generator fault; 3). Charging Volt: High – replace the generator assembly or a regulator to avoid battery damages; 4). No Volt Output – check the generator connection cable and the belt; 5). Diode Test – there is at least one diode is damaged if ripple volt is too high.

In / Out of Vehicle

Two test modes, support both in and out of vehicle test.


Please be noted that battery type and CCA values (Cold Cranking Amp) marked on the battery label. Please refer to it before using BT100. 1. Regular Flooded 2. AGM Flat Plate 3. AGM Spiral 4. GEL 5. EFB Note: If your vehicle battery is not the battery mentioned above and you are not sure about which type it is, please choose AGM to conduct test, and the error is within 10%.


Display: 128×64 LCD display Working Temperature: -20°C ~65°C (-4°F~140°F) Storage Temperature: -20°C ~70°C (-4°F~158°F) Dimensions: 136.5mm*75.5mm*22.5mm Weight: 260g CCA: Cold Cranking Amps (Range: 100~2000) BCI: Battery Council International (100~2000) CA: Cranking Amps (100~2000) MCA: Marine Cranking Amps (100~2000) JIS: Japan Industrial Standard (26A17~245H52) DIN: German Auto Industry Committee (100~1400) IEC: Internal Electrical Technical Commission (100~1400) EN: European Automobile Industry Association (100~2000) SAE: Society of Automotive Engineers (100~2000) GB: China National Standard (30Ah~200Ah)

Additional information

Ships From

Australia, Russian Federation, SPAIN, United States, China, United Kingdom, GERMANY, Czech Republic







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12V Battery Load Tester

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Car Battery Tester Automotive

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Testing range


Testing voltage


work for

Car Truck Motorcycle ATV SUV Boat Yacht

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    by Roderick Roth

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