Universal Digital Battery Tester Checker For C AA AAA D N 9V 1.5V Button Battery
The battery's reading value will beshown on the LCD. A NENG BT189 Universal Button Cell Battery Tester. C,AA,AAA,D,N,9V 6F22 batteries and 1.5V/3V button cell. Built of durable plastic and stainless steel and poweredby a singie 1.55V battery.