- Batteries & Accessories
- Battery Chargers and Accessories
- Topdon BT Master Battery Tester
A Portable Bluetooth Battery Tester
The Topdon BT Master is a portable vehicle battery tester that conveniently connects to a smart device via Bluetooth. By connecting an iOS or Android-based operating system and utilizing the available app, this tester will display an in-depth layout of battery test results, including battery and charging system health, starter and voltage output, and ripple detection. The BT Master is compatible with cars, trucks, motorcycles, and everything in-between yielding a 12 V battery.