10 of the biggest portable battery packs for smartphones and tablets

10 of the biggest portable battery packs for smartphones and tablets
Batteries – they all run out of power eventually. And that sucks, especially when there's no power outlet around, yet you desperately need to use your smartphone or tablet, be it for work or something just as urgent. Well, that's why we have portable battery packs. For those not familiar, they are like a tank of battery power that you charge and use in emergencies by plugging in your gadget in the accessory's USB port. They come in many shapes and sizes, but if you demand having the largest one possible, look no further than the list below. Ladies and gents, we give you the largest portable battery packs for smartphones and tablets. Check them out!

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10 Comments

1. HTCFreak

Posts: 156; Member since: Jul 17, 2010

Thanks PhoneArena for the useful article! This will come in very handy! :)

2. fur0n

Posts: 82; Member since: Jun 13, 2012

I have one that holds 13,500 mAh and it only cost $50http://www.newegg.com/Product/Product.aspx?Item=9SIA1350EZ1219.

3. karthikhvenkat

Posts: 1; Member since: Feb 15, 2013

Thanks PA for the useful article! Great One:)

5. pyro2448

Posts: 6; Member since: Mar 18, 2014

Poweradd™ Pilot Pro 32000mAh Battery Charger For iPad Air iPod 129.99$ beats these by far! Works with everything including laptops!

6. tgshuttleworth

Posts: 3; Member since: Aug 20, 2014

I am looking for a high capacity external battery for a Galaxy s4 which when plugged into the phone it does NOT need anything to switch it "on". When the phone needs power I need it to flow without any manual assistance. Many of these must be switched "on" which is an issue for me.Does anyone know where to but this type of external battery?

7. pyro2448

Posts: 6; Member since: Mar 18, 2014

Depends how high capacity your looking I huess ... The one I mentioned is awesome and does exactly what you need it to do no problem!

8. tgshuttleworth

Posts: 3; Member since: Aug 20, 2014

Pyro2448, I see in the pixs that there is an "on/off" button on the cover. Does power flow to a connected device WITHOUT pressing this button??? this is critical for my application. Maybe the button only controls the digital display (I am hoping).

9. pyro2448

Posts: 6; Member since: Mar 18, 2014

You are correct that there is a power button,but it plays no role in actually turning the battery on and off, when you click it, it displays the amount of charge left in a percentage format as well as a battery level icon, if you hold down the power button it allows you to change the about of power to a device, I have mine set to 19.5 amps when I'm charging my laptop. Plug anything into it and it charges IMMEDIATELY with no need to power on the battery!

10. tgshuttleworth

Posts: 3; Member since: Aug 20, 2014

Thanks, this will work great. One more question. Do you know how this item will discharge when simply sitting on the shelf after a full charge? Appreciate the help.

11. pyro2448

Posts: 6; Member since: Mar 18, 2014

Sorry I'm not fully understanding the question your asking?do you mean discharge as in nothing is plugged in or if your phone is plugged in how long will it last? Or do you mean its still plugged in and at 100%?

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