Highly useful with all kinds of uses around the house and all types of work environments.
While testing 1.5V & 9V batteries, get the reading from the top scale. While testing button cell batteries, get the reading from the lower scale. If the needle does not move, check and make sure the battery is touching both contacts before assuming it is completely dead.
Battery tester is very easy to use.
•Size: 4-1/2'' x 2-1/2''
•Quality Plastic Body
•Black Color-Nice Contrast for Easy Reading
•Suitable for: AAA, AA,C, D, 9V, & Button Cell Batteries
-- Red range = Replace
-- Yellow range = Low Power
-- Green range = Good
•Easy to Read Scale
•No Batteries Required
•Handsome Blister Card