Lithium-Ion Batteries Overview

Lithium-ion Li-ion) batteries are becoming popular in many portable electronic devices due to their high energy density, lack of memory effect, and high charge and discharge rate capabilities. Lithium-ion batteries are a relatively new technology, launched in 1990s, and research and development work is ongoing to improve safety and increase capacity, charge/discharge rate, and lifetime. Lithium-Ion batteries are mostly used in power banks, clocks and cameras.
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Fake Vs Real Xiaomi Mi Power Bank

Xiaomi power banks are one of the most popular power banks in India owing to its cheaper price and good built quality. Since these power banks are among best selling, many local Chinese manufacturers have been able to make the fake ones with so much efficiency. Hhere is a simple video describing how to detect whether you have a fake or the genuine Xiaomi power bank.

Commonly Asked Question About Power Bank

Here are some frequently asked questions related to power banks. The more you know the better you will be able to make an informed choice on which product and brand is right for you.

How long does a Power Bank take to charge?

This depends on your power bank battery and rating of the charging circuit. Power banks use capacitors for quick charging externally and slowly discharging into the power bank. In most cases, the time to charge a power bank depends upon the total current, the battery and internal circuit can handle. For example a lead acid battery can handle high current and therefore the charging time for power bank with lead battery is low. On the other hand NiCd or Li-Ion can handle low current, hence the charging time for power bank with this type of battery is high. In general small units may take 3-4 hours and high capacity ones up to 15 to 18 hours.
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