Some questions you should consider to buy a high quality mobile power bank

Unless the user know very well for the equipped battery cell inside the power bank is in excellent quality and with safety protected design, otherwise, in general, it is advisable to consider power bank equipped with high-end Lithium-Polymer, with an affordable price.

(a) Quality:

Who is the manufacturer of the power bank? Is the power bank manufactured by a professional maker or by just assembly with uncertain quality of the parts?

(b) Safety:

What type of safety technology is incorporated with the power bank which you are about to purchase?

(c) Reliability:

It’s the casing made from world-class standard shell which is able to offer you protection from any leakage or harm from the power bank?

(d) Product design

Does it feel, look and most importantly SMART in design (MICRO USB to USB and able to vice-versa)?

(e) After sales service:

What is the warranty period and type of warranty that is being able to be offered to you after purchasing the power bank from power bank supplier china?

(f) Why does a power bank take a longer period to charge in a computer USB port compare to a USB wall charger adapter even though both supply 5V?

This is due to the USB Port (USB 2.0) in a computer or laptop only supplies 0.5Amp and a USB wall charger adapter supplies 1 Amp to 2.1Amp power supply. A power bank in general will require 5V/1A for optimum charging period.

(g) If a smartphone cell is 1600mAh, does this means a 4800mAh power bank can charge it 3 times full charge best jump starter?

Actually, it does not translate directly into triple the usage time for the device with a ratio of 1:3. There is a calculation formula for the approx device charge per cycle for a single power bank charge. 4800mAh is only an indication on how long the device can power itself from the battery. All these factors will depend on the power bank cell quality, cell actual capacity, cell PCB board design and cell reliability.

(h) Am I able to charge my power bank using my Samsung, Apple and Ipad accessories online single USB port wall charger adapter?

This depends on the built quality of the printed circuit board (PCB) in the power bank. Every power bank manufacturer differs from one to another thus we do not have a certain answer for this. Look into the specifications of the power bank to see if the features meet your needs.