·For 1.5V and 9V batteries, the top is for cylindrical cells and 9V batteries, the bottom is for button cells (alkaline)
·If the needle does not move, check the contact points on the battery and ensure they are touching the poles so that good batteries are not discarded.
·The battery tester can test the following sizes: AA, AAA, C, D, Lady N, and 9V.
Caution!
Test for as short a time as possible to avoid draining too much power from the battery. The tester is designed for alkaline batteries.
