American-style drop tester. 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.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. BT91/7 Specifications: Model No BT91/7 Brand: Sealey Nett Weight: 1.026kg