When buying a battery for mobile devices (PDA, iPod, digital camera, etc.) provide safe, you are only buying new batteries - never buy a used or refurbished batteries! Why? The answer to this to the question "Would you buy is analogous Half Eaten Sandwich?" The answer is certainly not! Here is the reason!
A battery is a device that stores chemical energy and through an electrochemical process (electromotive force) converts the stored chemical energy into electrical energy through aDC. The chemical conversion is a process of chemical change by adding or losing chemical substances (electrons, oxygen, lithium etc.) inside the battery, and an interface (eg, PDA, iPod used to create, digital) camera.
