GEMORO WATCH BATTERY TESTER - SILVER OXIDE LITHIUM ALKALINE, JEWELRY REPAIR TOOL Watch batteries 1.5V,3V. AA, AAA, C, D and N batteries 4.5V, 6V, 9V, 12V & 22.5V batteries Photo batteries 6V, 3V & 1.5V batteries Complete Manual and wire test leads for operation included.