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Rediff.com  » Gadget » All About Power Banks - What is mAh

All About Power Banks - What is mAh

Last updated on: May 26, 2015 11:48 IST

12000 mAh Power Bank

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The milliampere-hour (mAh) is a technical term for how much electrical charge a particular battery will hold. For example, using higher mAh batteries will charge a device more number of times.

How to choose the right power bank?

Step 1 - Check the battery capacity of your device/s before selecting a power bank.

Step 2 – Calculate how much mAh power your device will need to successfully charge at least once

Now, what is the actual power of power bank?

What is mAh

Example - 2080 mAh (Actual Capacity) = 80% of 2600 mAh (Indicated mAh of a power bank)

Hence, if you are using a smartphone which has a battery capacity of 2000 mAh, you would need a 2600 mAh power bank to charge it at least once.

What happens to the 20% that is claimed in the indicated power of the power bank (mAh)?

A power bank needs some battery for its internal operations like its circuit and its LED indicator. Hence, around 15%-20% mAh is utilized in the operations of a power bank.

Power Banks

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