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Knowing your mobile or tablet running out of the power when you are nowhere close to the power outlet is very stressful. Luckily, there is not any shortage of the 3rd party backup batteries. They come in each size & capacity to keep your phone going when the battery icon begins to dip in red. And it does not end there. There are some power banks that are well equipped with some amazing features like the fast charging, built-in cables, wireless charging, LED flashlights, AC adapters and capability to start your car. With plenty of options to select from, make sure you choose the right power bank for your device. Here given are some points to look at and make the right decision.

Capacity and Size of the Power Bank

Normally speaking, bigger the battery, higher will be the capacity & quantity of ports that you will get. The power bank that comfortably fit in your pocket typically is good for the full charge. On a pocket-friendly front, many smaller batteries, which maximize the portability have got the capacity of 3,500 mAh and under that gives you enough of charge that will top up most of the phones immediately. When you get more than 3,500mAh, the battery size increases at a point where it is not much likely to fit in your jeans, but still can be stowed in the jacket pocket.

Power Bank

Input & Output Ports

The kind of port that battery has decides not just whether it’s compatible with devices that you wish to charge, but charging speed. At the minimum, most of the battery packs may have the standard USB port for the input and USB-A for output. However, with many tablets, phones, and laptops adopting USB-C standard, often you will find the USB-C port besides USB-A. Generally, USB-C allows you charge much faster, consolidates input and output to just one port, and will be found in several new phones. You need to be very careful, as some power banks generally have the USB-C input, and they do not have any USB-C output.

Quick Charging Facility

Another factor that you need to think is how quick the power bank will charge your device. The battery output can be measured in the voltage & amperage. Amperage is an amount of the electricity that flows from battery to connected device, whereas voltage is an amount of the potential energy. Thus, multiplying the volts by amps provides you wattage, measure of the total power. To make the device charge much faster, most of the manufacturers differ the voltage and boost amperage to increase total wattage.


Anyone who makes use of smartphone knows importance of carrying the backup power bank. However, given the vast number of choices available, you may feel overwhelmed.

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