We are buying and carrying more mobile devices than before. Battery life in these gadgets is one technology that never quite catches up to our on-the-go power requirements. As a result, mobile backup battery is in hot demand and there are floods of such product in the market. These backup batteries comes in different sizes, specs and varying prices that make choosing the appropriate one seems a daunting task for new buyers. Fret not, here are a few essential things to consider when choosing a quality backup battery for your iPhone, iPad and gaming device.
Capacity in MilliAmp Hour (mAh)
This is one prominent spec in backup battery that determine the capacity of the battery. The higher the mAh the longer the battery charges will last. iPhone 5/5s has a battery capacity of 1440-1570 mAh, thus you want to look for a backup battery with at least 1600 mAh to ensure a full charge. iPad Air has a battery capacity of about 8820 mAh, so you need to look for a backup battery with at least 8900 mAh for a full charge.
Charge Speed (Output DC)
This is the more important spec that is often neglected by the average buyers. It refers to how fast it takes to charge your device. As an example, a battery with 2 amp output will fully charge an iPhone up to twice as fast as one with 1 amp output. In addition, most tablets require at least a 2 amp output to be able to even start charging. When looking for a backup battery, check the output DC spec to ensure it is compatible with your devices.
The quality of battery matters as it means longer battery usage life. Most backup battery will tell you the kind of battery (Lithium-Ion/Polymer) inside, and if possible look for those made by reputable manufacturers such as Panasonic or Samsung.