9V rechargeable batteries AA D

9V rechargeable batteries AA D Rechargeable batteries are used in a variety of devices. There are different types of batteries that use different technologies for different types of devices. Three main types of rechargeable batteries 9 volt, D, or AA and AAA. But what these letters mean and why they are different? 9Volt A battery is a rectangular stack used in small consumer electronics. It is a rectangular shape, used for most types of batteries that are 4 or more volts to 12 volts. All batteries are cells, but in a 9-volt cells connected in a combination that makes the battery voltage by the sum of the voltage of the cells. D is another type of rechargeable battery available. It is cylindrical and 1.5Volt. D batteries are called, but they are really just a D cell. In contrast with the 9 volt to connect multiple cells, the cell D is only one type of cell. D cells are used for a variety of electronic devices. AA or AAA batteries are generally composed of alkaline. However, the batteries NiCd and NiMH are now available for the rates and greater capacity rechargeable alkaline. AA and AAA batteries are used in portable devices and peripherals, digital cameras, car models. AA and AAA have the same amount of energy, but is more life in AA, which is why it is larger. All rechargeable batteries are called secondary cells, as they may be indicted after drainage. 9 volt, D, AA and AAA batteries are dry cell type, contain lead as wet as in the oldest type of rechargeable batteries. The purchase of batteries, and the quality of the cargo properly is the best way to get the most from their money.