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Power Banks – Which One?

Don’t get caught out with the wrong power bank! There are a few things you need to consider, based on what you want to charge, how many times and how quickly you want it done!

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(L-R) Charge Power Bank , Custom Power Bank, Aluminium Mobile Phone Power Bank

1.  Capacity

Know the battery capacity of your device – see the table below as a guide. If your battery is 1500mAh and is 0% now, a power bank with 2200mAh can charge your phone 1 time. If your battery is 3000mAh and is 0%,  a power bank with 2200mAh will not be able to re-charge to full because the phone battery capacity is higher than the power bank, so it may only charge 75%.

It’s important to note that a power bank will not deliver its full advertised capacity to your device – some of this energy is lost through the heat generated and voltage conversion.

If you require  a power bank that is able to charge your phone several times, you need a power bank with higher capacity.

iPhone 5S 1560 mAh Samsun Galaxy S5 2800 mAh
iPhone 6 1810 mAh Samsun Galaxy Tab S (10″) 7900 mAh
iPad Air 2 7340 mAh HTC One (M8) 2600 mAh
iPad 4 11,560 mAh Nokia Lumia 920 2000 mAh
Blackberry Z10 1800 mAh

2. Output Specification

This refers to how quickly a power bank will charge your device. 1A – 1.5A output is generally for smartphones, 1.5A – 2.0A output is generally for tablets. You can use either output to charge any USB device – it will draw only the power it needs. However, you might find some tablets, usually iPads, will refuse to charge from lower specified outputs.

3. Number of Outputs

1 output  to charge 1 device, 2 outputs to charge 2 devices simultaneously. Obviously this will draw more power!

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(L-R) Light Up Power Bank, Eclipse Power Bank

4. Short Circuit & Overcharge

Choose a power that can automatically cut off the electricity when charging the battery full, because overcharge will certainly shorten the life of the bank. Look for one that features a power cut when a short circuit occurs.

5. Portability

Different sizes suit different needs. Some will fit in your pocket, others you need a bag for! If you’re going mobile pick one that suits lifestyle.

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