Guangdong, China
Business Type:
Type of Ownership:
Limited Company
Management System Certification:
ISO 9001
OEM/ODM Availability:
OEM/ODM Service
Sample Available
MEI Awards

Mobile Powerbank, Portable Power Bank, Power Bank Mobiles manufacturer / supplier in China, offering 4000mAh Portable USB Battery Mobile Power Bank, Strong Compatiblity Wireless Charging Pad 10W 20000mAh Power Bank Qi Wireless Charger for Samsung S9 S8 Plus S7 S6 Edge Note 8, 2018 Hot Selling Portable Qi 5W 7.5W 10W Fast Wireless Charging Pad Mobile Phone Universal Wireless Charger for Samsung and iPhone8 and so on.

Gold Member Since 2018
Audited Supplier

4000mAh Portable USB Battery Mobile Power Bank

Get Latest Price
Purchase Qty. / Reference FOB Price
100-499 Pieces US $12.5
500-999 Pieces US $12
1,000+ Pieces US $11.5
Port: Shenzhen, China
Production Capacity: 1000000/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Battery is Removable: No
Capacity: 2001-5000mAh
Compatible Brand: iPhone
Carrying Way: Universal Split
Charging Type: Electric
Applicable Models: Mobile Phone

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Basic Info

Model NO.: ET-MOON
Cell Type: Li-Polymer
Display: Without Display
LED Lighting: Without LED Lighting
Certification: CE, UL
Socket Type: for USA/Canada
Recyclable: Recyclable
Matrial: Aluminum Alloy CNC+PMMA
Design: Roundness
Size: 93X93X12.9mm
Packing Size: 12X12X4.2cm
Sales Point: Appearance Patent, Unique Design
Support Devices: Mobile Phones Devices
Function: Charge Mobile
Warranty: 12 Months
Name: Universal Power Bank 4000mAh
Trademark: isunbom
Transport Package: Box
Specification: 141x50x23 mm
Origin: China
HS Code: 8507600090

The real capacity Best 4000mAH capacity power banks.

Universal Power bank ,work with smartphone ,tablet pc ,mp4 etc .

Fashion design, rectangle ,circular design

Can printing your logo on the power bank .

Here are our recommendations for some of the best portable chargers with a capacity of 4000 mAh!

The isunbom ET-moon  is a portable power bank with a capacity of 4,000 mAh.The device comes with one regular USB ports .And you can charge your smartphones or tablets multiple one time.The indicator lights flashed rapidly shows you low battery  charge is left on the power bank.

There are multiple protections in place to avoid over-charging, over-voltage, over-current, and short circuit.

Product Type:ET-moon Power bank
Material:Aluminium alloy and Acrylic .
Fabric Type:Rectangle.
Feature:True capacity portable power bank ,1usb and logo printing Sevice .Logo  can be made into a breathing lamp
Electric core:Lithium-polymer battery inside
Color:Black ,gold .Sliver
Packing:World cover cartons
Products show :
4000mAh Portable USB Battery Mobile Power Bank
4000mAh Portable USB Battery Mobile Power Bank
4000mAh Portable USB Battery Mobile Power Bank
Our company show :

4000mAh Portable USB Battery Mobile Power Bank

Why choose us?

1.Quality Control

To ensure the quality of our wireless charger and other products,Our QC staffs do strict supplier evaluations,in-coming inspections,in-process inspections,final inspections and pre-delivery inspections.The most important is that we listen to what our customers say and are always looking for ways to improve the quality of our products through continuous improvement.

2.OEM /ODM Ability

We have built stable and long-term cooperate relationship with some big buyer,we can also provide ODM,OEM and Agent services to our customers over the world.

3.Certification Available

We have FCC/ROHS/CE/PSE Certification .QI standard certification is applying .

4.Good Warranty

We take customer satisfaction and product quality as the first priority for us.We supply reliable warranties and good after-sales services.


1.*Q:Can I get samples from you?

A:We are honored to offer you samples for quality check.

2.*Q:What parts are manufactured by you?

A:80% of parts are manufactured by us.Spare parts are from cooperative factory .

3.*Q:What's the leading time?(How long do you need to prepare my goods?)

A:5 working days for sample orders.25 working days for mass production orders(based on different quantities)

4.*Q:How long do I need to wait before my goods arrive?

A:3-5 days for international express.5-7 days for air transportation, 35-40 days for sea transportation.

5.*Can you put my brand name(logo) on these products?

A:Yes,or container order.Sticker order qty over 300pcs.

6.*Q:What payment methods do you accept?

A:T/T,L/C,Western Union, Money Gram,Alipay ,etc.

7.*Q:What certificates do you have?

A:Since Europe and America are our main markets,all of our products are with CE/ISO /Rosh/ FCC/ PSE certificate.For some models,the certificates are already available.For other models,we will need your assistance to apply the certificates.

8.*Q:How many wireless charging receiving coil ?It's QI standard ?Do you have QI standard certificate .

A:1 or 2 receiving coils .Is QI standard,We are applying for QI certification .

9.*Q:What is your product quality?

A:Our raw materials are purchased from qualified suppliers.And we have a strong quality control team to guarantee our quality.We always care what you care!!

10.*Q:What is your warranty?

A:Our warranty is 12 months after delivery.We always pay high attention to after sale service!!

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