Meet the BT30 from TOPDON—your ultimate choice for a compact and affordable 12V battery tester.

With advanced conductance testing technology, it delivers fast, efficient, and accurate results. It works with the most common lead-acid batteries and meets various testing standards, ensuring broad compatibility. The reverse polarity protection adds an extra layer of safety by reducing human error and preventing damage from improper connections. Perfect for both auto repair beginners and DIY enthusiasts, the BT30 provides essential information about your battery's health and status, helping you avoid unexpected breakdowns and keep your vehicle running smoothly.

Efficient Testing on a Budget

·Get reliable and quick battery testing without breaking the bank. The BT30 offers unparalleled value, combining speed and accuracy with an affordable price, making it an essential tool accessible to all.

Drive with a Healthy Battery

·Thisbattery tester does it all! It performs battery, cranking, and charging tests on all 12V lead-acid batteries. With it, you can easily get vital insights into your battery's starting and charging systems to keep your vehicle in top shape.

Keep Track of Your Battery’s History

·With the Data Playback Function, you can easily check your previous test reports and data anytime.It’s fast, accurate, and helps you stay on top of your battery’s condition.

Safety Is Everything

·The BT30 sports an innovative spark elimination technology that keeps you safe from overheating and other potential risks. It also has reverse polarity protection, so you don’t have to worry about wrong connections or damaging your battery.

Speak Your Language

·The BT30 battery tester is designed for everyone. It supports multiple languages so you can easily understand your battery's condition wherever you are. And if you need help, our tech support is always available!

One for All

·No more guessing! The BT30 is compatible with most common 12V lead-acid batteries including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL, and Deep Cycle. It also supports a wide range of testing standards (CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE, and GB).、