TOPDON BT100 Car Battery Tester 12V Load & Charging Analyser

TOPDON BT100 12V Car Battery Tester

Digital Load Tester, Alternator & Cranking System Analyser

The TOPDON BT100 is a compact yet highly capable diagnostic tool engineered for accurate 12V battery, cranking, and charging system analysis. Designed for automotive professionals and workshop environments, it delivers reliable insights into battery health, starting performance, and alternator output. Supporting multiple lead-acid battery types, the BT100 enables fast fault detection and preventative maintenance, ensuring optimal vehicle reliability while reducing diagnostic time and uncertainty.

Main Features

Comprehensive Diagnostic Capability – Performs battery, cranking, charging, and ripple testing within a single compact unit, eliminating the need for multiple diagnostic tools.
Advanced Battery Health Analysis – Accurately measures State of Health (SOH), State of Charge (SOC), and internal resistance to deliver a complete evaluation of battery condition.
Instant LED Status Indication – Features intuitive LED indicators (GOOD, CHARGE, BAD) for immediate visual interpretation of battery status without requiring detailed analysis.
Cranking Performance Assessment – Evaluates starting voltage and cranking time to determine the battery’s ability to deliver reliable ignition power under load conditions.
Charging System Verification – Analyses alternator output, including ripple voltage and load performance, to accurately identify charging faults and system inefficiencies.
Broad Battery Compatibility – Supports all common 12V lead-acid battery types, including flooded, AGM flat plate, AGM spiral, GEL, and EFB, ensuring wide application coverage.
Wide Testing Range (100–2000A) – Suitable for vehicles ranging from compact passenger cars to larger commercial vehicles, enhancing workshop versatility.
Backlit LCD Display for Clear Readability – Equipped with a 128×64 backlit screen to provide clear, reliable readings in both low-light and bright workshop conditions.

Package Includes

TOPDON BT100 Battery Tester
User Manual

Advanced Battery & Electrical System Diagnostics

12V battery, cranking, and charging system testing

Measures SOH, SOC, and internal resistance

LED indicators: GOOD, CHARGE, BAD

Supports AGM, GEL, EFB, and flooded batteries

Wide testing range: 100–2000A

Backlit LCD display for clear readings

Compact, durable, and portable design

Accurate ripple and voltage analysis

The TOPDON BT100 is a compact, high-accuracy battery diagnostic tool engineered for modern automotive systems.

TOPDON Battery Tester Comparison

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

	TOPDON BT100	TOPDON BT200	TOPDON BT300P	TOPDON BT600

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
	LEARN MORE	LEARN MORE	LEARN MORE	LEARN MORE

TOPDON BT100 Battery Tester

Model: BT100

Display: 128 × 64 backlit LCD

Working Temperature: -20°C to 65°C

Storage Temperature: -20°C to 70°C

Dimensions: 136.5 × 75.5 × 22.5 mm

Weight: 260 g

Operating Voltage: 12V

Battery Compatibility: Flooded, AGM Flat Plate, AGM Spiral, GEL, EFB

Test Range: 100–2000A

Functions: Battery Test, Cranking Test, Charging Test, Ripple Test

Housing: Compact handheld design with durable casing

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.

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.