---
title: All You Need to Know About Power Banks
description: Virtually everyone these days has either a smart phone, tablet or both making power banks a great promotional item! So what exactly is a power bank?
image: https://blog.pellacraft.com/hubfs/Imported_Blog_Media/12354200.jpg
---

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# All You Need to Know About Power Banks

[By Pellacraft](https://blog.pellacraft.com/author/pella-admin)

 April 26, 2016

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In 2016, 75% of adults used internet 'on the go' through smart phones, portable computers, like tablets, or handheld devices, like Ipods. It takes a lot of power to keep all those people connected and that's what makes power banks such a great promotional item.

### What is a Power Bank?

[![Photo of PB-6000 Giga Charger charging smartphone](https://blog.pellacraft.com/hs-fs/hubfs/Imported_Blog_Media/12354200.jpg?width=359&height=359&name=12354200.jpg)](https://www.pellacraft.com/pb-6000-giga-charger)Power banks are basically an external battery. They're charged through USB before you go out and then you can pop them in your bag with a cable. When your device is running low, connect it to the power bank and turn it on and your device now has a new lease on life.

 

 

### Things to know about power banks

##### **Capacity**

- a capacity of 2000 mAh can fully charge an **iPhone 7** as these have batteries of approximately **1,960mAh**
- 3000 mAh would fully charge an **iPhone 7 Plus** which has a **2,900mAH** battery or **Google's Pixel** which has a **2,770** battery
- in general a power bank can be fully charged and discharged for **500 cycles** before the capacity reduces

![Photo of case which holds solar speakers and power bank to charge phone](https://blog.pellacraft.com/hs-fs/hubfs/Imported_Blog_Media/09567_V1.jpg?width=421&height=421&name=09567_V1.jpg)

##### **Input and Output**

This controls the speed the device will charge. Choose a good input/output as this controls the flow of the capacity into your device, therefore affecting the speed of which your device gets charged.

 

 

### Which devices does it charge?

The power banks’ output is effective at charging smart phones and tablets. Bulkier options that may charge notebooks and laptops are becoming more available but don't expect a full charge.

- Smart phones generally need an output of between 0.5A and 1A
- Tablets generally need a recommended 1A to 2A to be effectively charged

***Now you have the ‘power’ to use it!***

![Image of a range of power bank choices](https://blog.pellacraft.com/hs-fs/hubfs/Imported_Blog_Media/powerbanks2.jpg?width=749&height=182&name=powerbanks2.jpg "Power Banks")

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