The TOPDON BT50 is an affordable and compact 12V battery tester built for everyday drivers and DIY users. With fast, accurate testing for battery health, cranking ability, and charging performance, the BT50 supports all common lead-acid battery types including flooded, AGM, and GEL. The easy-to-read LCD screen and simple button layout make diagnostics quick and user-friendly. Small enough to fit in a glovebox or tool drawer, the BT50 offers reliable results without needing to remove the battery from the vehicle.

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