Buying a Power Bank

Here are some important things to check for when purchasing a power bank.

1. Ensure the power bank is of a higher capacity than your phone's battery. Most smartphones have batteries that range from 1500 to 2500mAh. If your phone has a battery of 1800mAh and you purchase a power bank with a capacity of 5400mAh, you should get at least two charge of the phone. It is recommended that you do not to discharge the power bank completely.
   
   
2. Ensure that the power bank has USB connections in for both charging and discharging. Also check that the unit has the correct cable to fit your device.
   
   
3. Check pricing and the quality of the unit by looking for reviews on Google
   
   
4. Make sure it has short circuit and overcharge protection.
   
   
5. Check the weight and dimensions of the unit as this may restrict the ability to carry these with you.