BT-172 12V Battery and Charging System Tester

Check the voltage of a 12 V vehicle battery and its charging system with the BT-172 tester. Attached crocodile clips connect to the battery terminals, while a digital LED display and labelled indicator lights help you read the result.

Bring voltage and status checks into one handheld tester

• ✅ Read the measured voltage directly — the illuminated digital display shows the reading without interpreting a scale.
• ✅ See status indications at a glance — labelled lights provide a quick guide alongside the voltage display.
• ✅ Keep the test leads together — the integrated red and black clip leads stay attached to the handheld tester.

The BT-172 is designed for 12 V battery-voltage and charging-system checks. It includes reverse-polarity indication with an audible alert, helping identify an incorrect clip connection.

Use the measured voltage and supplied instructions when assessing a battery or charging system. This instrument is a tester rather than a battery charger, jump starter or capacity analyser.

One BT-172 tester with attached clips and instructions; the battery and vehicle equipment are not included.

Technical details

• Model: BT-172
• For 12 V battery and charging-system voltage checks
• Digital LED display and labelled status indicators
• Attached red and black crocodile clips
• Includes tester, packaging box and instructions

Add the BT-172 to your vehicle-maintenance tools for straightforward 12 V voltage checks.