Sealey BT91/7 Battery Drop Tester

The Sealey BT91/7 Battery Drop Tester is a professional-grade diagnostic tool designed for testing 6V and 12V batteries with accuracy and safety. This American-style drop tester features internal switchgear that applies load testing without sparking, making it safer to use in workshop environments where battery diagnostics are regularly performed. The tester works by applying a controlled load across battery cells and measuring the output on an integrated meter, providing precise indication of battery voltage and identifying faulty or short-circuited cells. This diagnostic