TOPDON BT300P 12V Battery Tester + Printer, 12V/24V System Test

TOPDON BT300P 12V Battery Tester with Built-in Printer

TOPDON BT300P Professional Battery Load Tester

The TOPDON BT300P is a professional-grade 12V battery tester engineered for accurate diagnostics and service documentation. Designed for automotive workshops and advanced users, it analyses battery health, cranking performance, and charging system efficiency with precision conductivity technology. Supporting multiple battery standards and types, the BT300P delivers fast, reliable results and instantly prints test reports through its built-in printer, making it an ideal solution for maintenance verification, preventive diagnostics, and professional vehicle servicing.

The TOPDON BT300P is a professional-grade 12V battery tester engineered for accurate diagnostics and service documentation

Main Features

Built-in Thermal Printer for Instant Reports – Generates printed battery diagnostic results within seconds, allowing technicians and vehicle owners to maintain accurate service records and verification documentation.
Comprehensive Battery, Cranking & Charging System Testing – Performs complete diagnostics by analyzing battery health, starter performance, and alternator charging efficiency to identify electrical system issues quickly.
Wide 100–2000 CCA Testing Capability – Designed to support a broad range of automotive batteries, making it suitable for passenger vehicles, light commercial fleets, and workshop diagnostic environments.
Multi-Battery Compatibility – Accurately tests Flooded, AGM, GEL, and EFB batteries, including modern start-stop vehicle systems requiring precise battery evaluation.
Multi-Standard Diagnostic Support – Compatible with major international battery rating systems including CCA, CA, BCI, MCA, DIN, IEC, EN, SAE, JIS, and GB for global vehicle applications.
Advanced Conductivity Testing Technology – Utilises intelligent conductivity analysis to deliver fast, reliable battery condition assessments without requiring battery removal from the vehicle.
2.4” Color Display with Intuitive Interface – Provides clear, easy-to-read diagnostic data and guided step-by-step testing for efficient operation in professional and DIY environments.
Reverse Polarity Protection for Safe Operation – Built-in safety protection prevents damage caused by incorrect connections, ensuring secure testing for both users and vehicle electrical systems.
Quick Plug-and-Test Operation – No external power source required; simply connect the clamps to begin immediate battery analysis and receive fast results.
Compact Portable Design with Carry Case – Lightweight and easy to transport or store in vehicles, toolboxes, or workshops, making it ideal for mobile technicians and roadside diagnostics.

Package Includes

1 x TOPDON BT300P Battery Tester
1 x User Manual
1 x Protective Carrying Bag
1 x Printer Paper Rolls (3 pcs)

Professional Battery Diagnostics & Intelligent Testing Performance

Built-in Thermal Printer – Instantly prints battery diagnostic reports for service records.

100–2000 CCA Testing Range – Suitable for passenger vehicles and light commercial applications.

Comprehensive System Analysis – Battery, cranking, and charging system diagnostics.

Wide Battery Compatibility – Supports Flooded, AGM, GEL, and EFB batteries.

Multi-Standard Testing – CCA, CA, BCI, MCA, DIN, IEC, EN, SAE, JIS, and GB ratings.

Advanced Conductivity Technology – Accurate battery condition evaluation.

2.4” Color Display – Clear real-time test data visualisation.

Reverse Polarity Protection – Safe operation during testing.

Multi-Language Interface – Easy navigation for global users.

Portable Professional Design – Lightweight with protective carrying bag.

TOPDON Battery Tester Comparison: BT100 vs BT200 vs BT300P vs BT600 vs BT600 Plus

Every TOPDON car battery tester uses conductance testing to check battery health in seconds, with no heat, sparks or battery drain. All five test Flooded, AGM, Gel, EFB and VRLA batteries from 100 to 2000 CCA, and double as a cranking (starter) and charging (alternator) tester. The differences are 24V truck support, a built-in printer, screen size and professional workshop features.

Scroll sideways to compare all 5 models.

TOPDON battery tester comparison: BT100, BT200, BT300P, BT600 and BT600 Plus specifications
Compare features	TOPDON BT10012V battery testerView BT100	TOPDON BT20012V tester, 24V system testView BT200	TOPDON BT300PWith built-in printerView BT300P	TOPDON BT6003.5" screen, printer & system testView BT600	Most capableTOPDON BT600 PlusBattery & resistance testerView BT600 Plus
Best for	Simple 12V battery checks at home	Home garages, plus 24V cranking & charging tests	Workshops needing printed customer reports	Workshops wanting a big screen, printer & system test	Professional, fleet & 24V truck battery testing
Battery type
Battery voltage tested	12V	12V	12V	12V	6V / 12V / 24V
Cranking & charging system voltage	12V	12V / 24V	12V / 24V	12V / 24V	12V / 24V
Battery types supported	Flooded, AGM, Gel, EFB, VRLA	Flooded, AGM, Gel, EFB, VRLA	Flooded, AGM, Gel, EFB, VRLA	Flooded, AGM, Gel, EFB, VRLA	Flooded, AGM, Gel, EFB, VRLA+ internal resistance for lithium, alkaline & carbon-zinc
Test standards
Testing range	100–2000 CCA30–220Ah (GB)	100–2000 CCA30–220Ah (GB)	100–2000 CCA30–220Ah (GB)	100–2000 CCA30–220Ah (GB)	100–2000 CCA30–220Ah (GB)
Battery rating standards	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	CCA, CA, BCI, MCA, DIN, IEC, EN, SAE, JIS, GB
Test functions
Battery test	12V	12V	12V	12V	6V / 12V / 24V
Cranking (starter) test	12V	12V / 24V	12V / 24V	12V / 24V	12V / 24V
Charging (alternator) test	12V	12V / 24V	12V / 24V	12V / 24V	12V / 24V
Full system test	No	No	No	12V	12V / 24V
Ripple (alternator diode) test	Yes	Yes	Yes	Yes	Yes
Internal resistance test	No	No	No	No	Yes
Sequence (batch) test	No	No	No	No	YesUp to 500 batteries per group
Data & software
Stored test results	Last 1	Last 1	Last 1	Last 1	Last 10
Software updates	No	No	No	Yes	Yes
Smartphone app	No	No	No	No	No
Screen & hardware
Display	2" backlit LCD	2.4" colour	2.4" colour	3.5" colour	3.5" colour
Built-in thermal printer	No	No	Yes	Yes	Yes
Rechargeable internal battery	No	No	No	No	5200mAhTests flat batteries down to 2V
Other
Languages	English, Spanish, French, German, Italian, Russian	English, Spanish, French, German, Italian, Portuguese, Russian, Japanese	English, Spanish, French, German, Italian, Portuguese, Russian, Japanese	English, Spanish, French, German, Italian, Portuguese, Russian, Japanese	English, Spanish, French, German, Italian, Portuguese, Russian, Japanese
Shop	View BT100	View BT200	View BT300P	View BT600	View BT600 Plus

Battery voltage tested is the battery the tester can assess directly. Cranking & charging system voltage is the vehicle system it can check. Only the BT600 Plus tests 24V batteries directly; the BT200, BT300P and BT600 test 12V batteries and check the cranking and charging systems of 24V vehicles.

Comparison tables are for reference only and based on TOPDON specifications. Refer to each product page or contact us for more information.

TOPDON BT300P Battery Tester

Model: BT300P

Working Voltage: @DC 9V-30V

Display: 2.4" Color

Cable Length: 31.5 inches

Working Temperature: -10℃ to 55℃

Storage Temperature: -20℃ to 75℃

Dimension: 8.19*3.94*1.49 inches

Weight: 16.76 oz.

Protection: Reverse Polarity Protection

CCA: 100-2000

Battery Type: Flooded/AGM/GEL/EFB

Battery Standard: CCA/CA/BCI/MCA/DIN/IEC/EN/SAE/JIS/GB

The TOPDON BT300P is a professional-grade 12V car battery tester engineered for accurate diagnostics and service documentation. Designed for automotive workshops and advanced users, it analyses battery health, cranking performance, and charging system efficiency with precision conductivity technology.

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.