TOPDON BT100 12V/24V Car Battery Tester 

Digital Load Tester, Alternator & Cranking System Analyzer

The TOPDON BT100 is a compact, high-accuracy battery diagnostic tool engineered for modern automotive systems. Designed for 12V and 24V lead-acid batteries, it delivers rapid and precise analysis of battery health, cranking performance, and charging system efficiency. Supporting a wide 100–2000 CCA range, this tester is suitable for cars, trucks, motorcycles, and marine applications. With advanced safety protections, intuitive operation, and instant results, it enables technicians and users to make confident maintenance decisions.

The TOPDON BT100 is a compact, high-accuracy battery diagnostic tool engineered for modern automotive systems. Designed for 12V and 24V lead-acid batteries, it delivers rapid and precise analysis of battery health, cranking performance, and charging system efficiency.

Main Features

  • Comprehensive Battery Diagnostics – Displays SOH, SOC, voltage, internal resistance, and CCA values for accurate battery evaluation.
  • 3-in-1 System Testing – Performs battery health, cranking, and charging system analysis in one device.
  • Wide CCA Coverage (100–2000 CCA) – Compatible with most automotive battery standards and capacities.
  • Multi-Battery Compatibility – Supports AGM (flat/spiral), EFB, GEL, and flooded lead-acid batteries.
  • Real-Time Charging System Analysis – Verifies alternator output, rectifier diode condition, and charging current stability.
  • Fast & Accurate Results – Generates diagnostic insights within seconds for efficient workflow.
  • 3-Color LED Status Indicators – Instant visual feedback (Good / Warning / Replace).
  • In-Vehicle & Out-of-Vehicle Testing – No battery removal required for most tests.
  • Enhanced Safety Protection – Reverse polarity protection with spark-proof operation.
  • User-Friendly Interface – Large keypad with multilingual menu for easy navigation.

Package Includes

  • 1 × TOPDON BT100 Battery Tester
  • 1 × Heavy-Duty Copper Clamps
  • 1 × User Manual

Advanced Battery & Electrical System Diagnostics

Battery Health Analysis – Accurately evaluates SOH, SOC, voltage, and internal resistance.
3-in-1 System Testing – Performs battery, cranking, and charging system diagnostics.
Wide CCA Range – Supports 100–2000 CCA automotive batteries.
Multi-Battery Compatibility – Works with AGM, GEL, EFB, and flooded lead-acid batteries.
Fast Diagnostic Results – Displays clear test outcomes within seconds.
LED Status Indicators – Instant visual battery condition feedback.
In-Vehicle Testing – No battery removal required.
Safety Protection Design – Reverse polarity and spark-proof operation.
Compact & Portable – Lightweight design for garages or mobile use.
Multilingual Interface – Supports multiple global languages.

The TOPDON BT100 is a compact, high-accuracy battery diagnostic tool engineered for modern automotive systems. Designed for 12V and 24V lead-acid batteries, it delivers rapid and precise analysis of battery health, cranking performance, and charging system efficiency. Supporting a wide 100–2000 CCA range, this tester is suitable for cars, trucks, motorcycles, and marine applications.

TOPDON Battery Tester Comparison

Comparison Table: TOPDON BT100 | TOPDON BT200 | TOPDON BT300P | TOPDON BT600

 

TOPDON BT100

TOPDON BT200

TOPDON BT300P

TOPDON BT600

 

TOPDON BT100 Automotive Battery Tester Australia

TOPDON BT200 Automotive Battery Tester Australia

TOPDON BT300P Battery Tester with Printer Australia

TOPDON BT600 Advanced Battery Tester Australia

Battery Type
Testing Voltage 12V 12V / 24V 12V / 24V 12V / 24V
Application Flooded / AGM / Gel / EFB / VRLA Flooded / AGM / Gel / EFB / VRLA Flooded / AGM / Gel / EFB / VRLA Flooded / AGM / Gel / EFB / VRLA
Testing Range 100–2000 CCA / 30–220Ah (GB) 100–2000 CCA / 30–220Ah (GB) 100–2000 CCA / 30–220Ah (GB) 100–2000 CCA / 30–220Ah (GB)
Battery Standard CCA / CA / BCI / MCA / DIN / IEC / EN / SAE / JIS / GB CCA / CA / BCI / MCA / DIN / IEC / EN / SAE / JIS / GB CCA / CA / BCI / MCA / DIN / IEC / EN / SAE / JIS / GB CCA / CA / BCI / MCA / DIN / IEC / EN / SAE / JIS / GB
Test Function
Battery Test 12V 12V 12V 12V
Cranking Test 12V 12V / 24V 12V / 24V 12V / 24V
Charging Test 12V 12V / 24V 12V / 24V 12V / 24V
System Test - - - 12V
Ripple Test
Resistance Test - - - -
Sequence Test - - - -
Data Retrieve 1 time 1 time 1 time 1 time
Software
Software Update - - -
Screen
LCD Display 2" Backlit 2.4" Colour 2.4" Colour 3.5" Colour
Other
Built-In Printer - -
Languages EN / ES / FR / DE / IT / RU EN / ES / FR / DE / IT / PT / RU / JA EN / ES / FR / DE / IT / PT / RU / JA EN / ES / FR / DE / IT / PT / RU / JA
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TOPDON BT100 Battery Tester

Model: BT100
Voltage Support: 12V / 24V
CCA Range: 100–2000 CCA
Battery Types: AGM, Flooded, GEL, EFB
Test Functions: Battery Test, Cranking Test, Charging Test
Supported Standards: CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, GB
Display: LED Indicators + Digital Screen
Power Source: Battery Powered
Safety Features: Reverse Polarity Protection, Spark-Proof
Operation Mode: In-Vehicle & Out-of-Vehicle
Operating Temperature: -20°C to 65°C
Dimensions: 5.3 × 3 × 1 inches
Weight: 0.56 lbs
Languages: EN, ES, FR, DE, IT, RU
Warranty: 1 Year

Delivery

99% of purchases are dispatched from our Melbourne warehouse within 24 hours of payment. Every parcel is shipped with Australia Post e-Parcel, complete with tracking and signature on delivery.

Need it sooner? Express shipping is also available—check if your postcode is in the Next Day Delivery network.

Returns

Shop with confidence. We offer a 30-day money back guarantee on all orders. If you’ve had a change of mind, simply return the item in re-original condition and we’ll make it right.

Warranty

All AZscanners products are backed by a 12-month warranty (unless otherwise stated). We stand by the quality of our tools and will repair or replace your item if a covered fault arises.

AZscanners Guarantee - why buy obd scanners diagnostic tools from us

Buying your scan tool should feel easy, safe, and backed by a team you can trust.

That’s why thousands of mechanics, fleets, and car owners across Australia choose AZscanners. Here’s our promise to you:

Trusted Since 2013

We’ve been Australia’s go-to supplier of premium diagnostic scan tools for over a decade. From workshops and mobile mechanics to DIY users, we’ve built our reputation on quality, reliability, and real support.

30-Day Money Back Guarantee

Changed your mind? No problem. You have 30 days to return your item in its original condition for a full refund. It’s our way of making your purchase completely risk-free.

Quality You Can Count On

Every product in our range is hand-picked for performance, compatibility, and durability. Whether you’re after a professional-grade scan tool or an easy solution for home use, we’ve got you covered.

Local Support that Cares

We don’t just sell scan tools — we support them. Our team of technicians is here to answer your questions before and after purchase, so you’re never left on your own.

Fast & Reliable Shipping

99% of orders are shipped within 24 hours (from our Melbourne warehouse) with tracking and signature included. Need it quicker? Express delivery is available.

Competitive Prices Direct to You

We keep our overheads low and source directly from manufacturers, so you get premium tools without the premium price tag.

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