portable power bank 4000mah  pictures

MOST attractive feature of power bank 4000mah  (Advantages)

1) The Aipker B-868 PCBA can reach 3A current which means it can charger Note3 and iphone at the same time. And current was controled in a very smart way by the PCBA which can judge the current rate by itself.

2) Further more we are using power bank mobile 18650 litium battery cell which can make sure customers charge all your devices safely.

Aipker Quality Control

100% aging and quality check before shipping. Aipker production system is :

a) Fully check lithium power bank battery and PCBA after it arrive our workhouse, pick out defective ones by computer systems automatically.

b) Assembly PCBA and battery together, put them in the aging line, do 100% aging. In this system all defective ones which may cause during assembly can be picked out.

c) Fix the PCBA and Battery on the casing

d) Aipker do vibration test and drop test from 1.8 meters to make sure it has been fixed stable

e) Using Input and output checking machine check the voltage and current again to make sure it can pass the power bank test. 

f) Aipker do the package and prepare for shipping power bank 4000mah .

When you have any questions Remember to contact us--Aipker

• Customer satisfaction is our top goal, please let me know your opinion after your  received the power bank.
• Please contact us if you have any concern. We will try my best to give you best battery power bank charger solutions in a cordial and friendly manner.
• We will be very pleasure to reply you within 24 hours.
• Do not hesitate to contact us at anytime, before or after your purchase, we are committed to 100% customer satisfaction.
• We care about our valued cutomers, if you have any question, please feel free to contact us by Telephone, Skype, QQ, MSN or E-mail