Faithfull Battery Tester Activated by battery checked Easy to carry and read Great for household use Universal battery checker Analog needle indicator Made from high-quality material Faithfull Battery Tester A simple and easy to use tester for most types of standard domestic and rechargeable batteries to help ensure they are fully charged and ready for use. A simple analog needle display indicates the power level of the batteries (good, low or replacement required). An adjustable arm allows the tester to accommodate the testing of D, C, AA, AAA, 9V 6F22 batteries and 1.5V button cells and folds down for easy storage. Features Adjustable arm allows a large variety of battery types to be tested Tests D, C, AA, AAA, 9V 6F22 batteries Tests 1.5V button cell batteries Replace, low & good indicator