Dongguan Aoke Electronic Co., Ltd.

China Manufacturer with main products: Power Bank, Electronic Cigarette

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High quality portable power bank 4000mah mobile USB charger

FOB Price: 1.00 - 13.00 USD/Piece
Supply Ability: 150,000 Piece/Pieces per Month
Shipping: 3--5 days
Payment Terms: L/C, T/T, Western Union
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: High quality portable power bank 4000mah mobile USB charger 1. Paper business box, gift box,customi

Quick Details

  • Brand Name: power bank 4000mah
  • Model Number: B-868 power bank 4000mah
  • Rechargeable: Yes
  • Type: Standard Battery
  • Dimension: 95*43*23mm
  • Weight: 142g
  • Capacity: 3600-4000mah
  • Outport: 5V/1A,5V/2A
  • Input: 5V/1A
  • Socket Type: USB power bank 4000mah
  • Certificate for power bank 4000mah: CE, RoHS, FCC
  • Output: 5V/1A,5V/2A
  • Service time: power bank 4000mah more than 500 times
  • warranty: 1 year
  • Battery Cell: 18650
  • Package material: Color box for power bank 4000mah
  • Conversion efficiency: 90%
  • MOQ: 10pcs
  • color: White ,Black, Red,Green and etc
  • support: mobile phone, camera,MP3,MP4 etc


High quality portable power bank 4000mah mobile USB charger
Product introduction


Item  portable power bank 4000mah
Battery Cell Type18650 Li-ion battery cell
Rated InputDC 5V,1A
Rated OutputDC 5V 1A/ DC 5V 2A
Recharge CyclesMore than 500 times
LED Indicators4 battery capacity level LED indicators
Warranty 1 year
CertificationsCE RoHS FCC

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

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

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  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

Ecvv Trade

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