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An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Since the invention of the first battery (or "voltaic pile") in 1800 by Alessandro Volta, batteries have become a common power source for many household and industrial applications. According to a 2005 estimate, the worldwide battery industry generates US$48 billion in sales each year, with 6% annual growth.
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. Miniature cells are used to power devices such as hearing aids and wristwatches; larger batteries provide standby power for telephone exchanges or computer data centers.
What's New in Version 3.7
Just a page of basic information telling you how much is left in your battery and how long you can use various applications for (audio, video, web surfing etc.) there's nothing else. If I wanted to upgrade to remove the adds there's no way of doing it. There are three icons at the top of the screen but touching any of them just takes you to a page where you're asked to buy a slot machine game.
- Category: Utilities
- Updated: 05 December 2013
- Version: 3.7
- Size: 4.3 MB
- Language: English
- Developer: LEE SUNJA
- © Battert
Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad and iPod touch.
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