Lithium ion batteries can be recharged and are commonly used in cameras and mobile phones. They come with different ratings. The batteries can be accessed in different capacities, and they are lightweight. This is one of the reasons why they are so popular in different applications and devices. They can be custom-made for very specific things. this is the terminal voltage at its maximum that new batteries should deliver to different electronic components. Capacity rating or current rating: this is the current amount that the battery can... read full review »