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first BlackBerry was introduced in 1999 as a two-way pager, a text messaging device popular in the U.S., with a monochrome display. New in 2002, began to introduce the BlackBerry smartphone product with interesting color display LCD screen, yes, of course, functioning as a mobile telephone, supports push-email, SMS, Internet Faxing, web browsing, and more. Developed by Research In Motion (RIM) a Canadian based company, he also has the support of like a PDA, such as address book, calendar, to-do list, and so on. More recent model is known as Traffic danmenerima send an e-mail, BlackBerry Messenger and an integrated QWERTY keyboard.

Lithium ion battery or abbreviated Li-Ion is one of the type of battery recharger. Lhitium ions move from the anode (positive pole) to the cathode (negative pole) when used. And lithiumion rather move back from the cathode to the anode, when done charging process. Batteries of this type are widely used in consumer electronics. The popularity of these batteries due several reasons such as battery types in portable by a ratio of weight versus energy is good, low memory effect, and so on