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Saturday, December 24, 2011

How did motorcycle batteries and cell phone batteries origionate

    An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Since the invention of the first battery in 1800 by Alessandro Volta and especially since the technically improved Daniell cell in 1836, batteries have become a common power source for many household and industrial applications. There are two types of batteries: Primary batteries (disposable batteries), which are designed to be used once and discarded, and secondary batteries (rechargeable batteries), which are designed to be recharged and used multiple times. Batteries come in many sizes, from miniature cells used to power hearing aids and wristwatches to battery banks the size of rooms that provide standby power for telephone exchanges and computer data centers.

    Primary batteries can produce current immediately on assembly. Disposable batteries are intended to be used once and discarded. These are most commonly used in portable devices that have low current drain, are used only intermittently, or are used well away from an alternative power source, such as in alarm and communication circuits where other electric power is only intermittently available. Disposable primary cells cannot be reliably recharged, since the chemical reactions are not easily reversible and active materials may not return to their original forms. Battery manufacturers recommend against attempting to recharge primary cells.

    Secondary batteries must be charged before use; they are usually assembled with active materials in the discharged state. Rechargeable batteries or secondary batteries can be recharged by applying electric current, which reverses the chemical reactions that occur during its use. Devices to supply the appropriate current are called chargers or rechargers.

    There are many types of batteries in the market these days like: cell phone batteries and motorcycle batteries.

    There are 3 standard styles of motorcycle batteries: a self-sealed maintenance-free battery, a conventional lead/acid battery and a factory-sealed maintenance-free battery. More aged motor cycles use conventional lead/acid batteries. Modern motor bikes use self-sealed and factory-sealed batteries. motorcycle batteries are six-volt lead acid batteries that runs a motorcycle\'s electrical components. It is a scaled-down type of a 12-volt battery that is used in most passenger cars. Batteries for bikes come in different sizes, according to the engine size. The bikes engine size, which is sized in cubic centimeters, will conclude the battery dimensions. The cubic centimeters are lower with smaller engines and larger engines need higher cubic centimeters. A motorbike battery transfers a charge of energy to the bikes cold engine so it will run. Race motorbikes, or performance motorbikes, need batteries that are capable of transmitting a lot of power in a flash. These batteries can be purchased at any battery store near you.

    The early cell phone batteries consisted of the Nickel metal hydride (NiMH) type, due to its relatively small size and low weight. Lithium ion batteries are also used, as they are lighter and do not have the voltage depression due to long term over charging that nickel metal-hydride batteries do. Many mobile phone manufacturers use lithium polymer batteries as opposed to the older Lithium-Ion, the main advantages being even lower weight and the possibility to make the battery a shape other than strict cuboid.