Battery Tester test all size batteries universal 1.5V 9V AAA AA PP3 C D checker

Tests PP3 (9V), AAA, AA, C, D, 4SR44 (6V), 1.5V button cells. Supplied in a blister card. Check power levels of all 1.5V & 9V batteries. A universal battery tester capable of testing most of the popular dry cell types under actual load conditions.