Speciality Batteries
There are 4 types of Speciality cell batteries:
Lithium, lithium-iodide and lead-iodide are used in cameras because of their ability to supply a constant power flow
These are Alkaline batteries of smaller sizes used for car locking remotes
This battery is the most commonly used in watches, laser pointers and other similar devices because the power-to-weight ratio is good.
Zinc Air cells, commonly known as "button cells are small in size, and provide sustained reliable power for critical applications such as hearing aids, calculators, infusion pumps, pager equipment etc.
