This procedure will be repeated with all four types of batteries. The rechargeable batteries will be fully charged prior to the test. The batteries will be tested in a random order. They will be selected from a paper bag with my eyes closed. A battery is used to store electricity.
Electricity flows when a battery is connected to an object like a watch, toy, or flashlight.
A battery is also known as a cell. Primary and secondary are how batteries are grouped. Primary batteries include zinc-carbon and alkaline and can't be recharged easily. Secondary batteries include nickel-cadmium which are used in small electronic items. This battery is a storage one.