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What Is Power Bank
- Aug 29, 2018 -

Power Bank is used as an extra battery or external charger for mobile phones or other electronic devices. It is a portable power source made up of rechargeable batteries, housed in a small box that can be placed in a handbag or purse. It has at least one charging input and another charging port that can be connected to a standard USB cable to charge portable electronic devices such as smartphones, media players and tablets.

Most of the latest power bank models come with built-in lithium polymer batteries for high efficiency and long life.

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