American-style drop tester. Polarity protected cables - impossible to damage unit by incorrect connection. Load applied by internal switchgear - no sparking! Suitable for 6 and 12V batteries. Applies load across cells and measures output on meter. Accurate indication of battery voltage and faulty or short circuited cell. Features & Benefits: • American-style drop tester. • Polarity protected cables - impossible to damage unit by incorrect connection. • Load applied by internal switchgear - no sparking! • Suitable for 6 and 12V batteries. • Applies load across cells and measures output on meter. • Accurate indication of battery voltage and faulty or short circuited cell. • Model No. BT91/7PF Specifications: Model No BT91/7PF Brand: Sealey