1. Hold the battery vertically 2–3 in (5.1–7.6 cm) above a hard, flat surface. As alkaline batteries go bad, zinc oxide builds up inside, making the battery ... 2. Replace the battery if it bounces when you drop it. Look at how the battery behaves when it hits the surface. A fresh battery will plop down without ... 3. Compare the bounce to a battery you know is dead if you need help. Using a dead battery can give you a better frame of reference for the battery you're ...
確定！ 回上一頁
