The Best 5 Power Bank Recommended 2019

Out of the door, less than a few moments of the clock, the phone will always be out of power, it is very irritating, this time always needs to have good use of charging treasure, and a good charging treasure is already a must for travel Supplies.

The principle and composition of power bank:

Principle: The principle of the mobile power supply is simple. When the external power supply can be found, the built-in battery is pre-charged, that is, the input power is stored in advance in the form of chemical energy. When needed, the battery provides energy and generates electric energy. The voltage converter (DC-DC converter) reaches the required voltage and is output from the output terminal (usually the USB interface) to supply the required equipment for power supply for charging or other purposes.

Basic composition: The mobile power supply has three basic functions, including energy storage, charging and power supply. The storage of energy requires a battery for energy storage. Like most of the current mobile power supplies, the battery is a lithium-ion battery (Li-ion) or a lithium-ion polymer battery (Li-PO), and a small part of the mobile power supply uses nickel. In the early days of hydrogen batteries (Ni-MH), some mobile power supplies used a primary battery.

   1.The Best Speaker Power Bank

 In outdoor sports, music is also an essential element, and this combination of mobile power and small speakers makes all the problems easier.

 Pros:
♔2 in 1 Power bank Speaker
♔Double HORN Theater Sound 
♔Support 20 hours of continuous play
♔Support TF Card playback
♔Aux wired connection
♔Intelligent compatibility

Cons:

♔There may be no excess power to play music after the battery is finished.

2.The Best Wireless Power Bank 

  In modern fast life, wireless has become a convenient life.

  Pros:

  ♔wireless & quick charging

  ♔Two output ports

  ♔10000maA Large Capacity

  ♔Digital Power visible

  ♔Resistance to falling

  ♔Flashlight

  Cons:

  ♔Limited output ports

3.The Best Mini Power Bank

  In modern life, small means more convenient.

  Pros:

  ♔Mini Size, Easy Carry

  ♔Flashlight

  ♔Cylinder Design

  ♔Bright Color

  Cons:

  ♔Small Capacity

4.The Best Creative Power Bank 

A charging treasure that can be heated is a very creative idea.

  Pros:

  ♔Bright colors

  ♔Hand Warm Function

  ♔Intelligent temperature control

  ♔Hanging Design

  Cons:

  ♔No battery display

 5.The Best Sport Power Bank

   Outdoor sports, waterproof function is indispensable.

   Pros:

  ♔Exquisite design

  ♔Bluetooth speaker function

  ♔Double fast charging

  ♔Hands-free call available

  Cons:

  ♔A bit expensive

 Overall, You can choose more mobile power bank to make your life convenience.