Manufacturer TOPDON. Why The TOPDON BT50?. You can verify authenticity by entering the serial number via the "Product Authenticity Check" channel on the official TOPDON website. 【Test All 12V Batteries】 The BT50 battery tester is a car battery checker for all 12v Lead-Acid batteries, with the most essential battery test functions: battery health testing, cranking tests, and charging tests.
